Home / 351,810-527,715-154,818

Finding the Fourth Proportional to 351,810, 527,715 and 154,818

Calculator

Solution

The fourth proportional to 351,810, 527,715 and 154,818 is: 232,227

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,810 : 527,715 = 154,818 : x
  2. Step 2: Convert to fraction form
    351,810/527,715 = 154,818/x
  3. Step 3: Cross multiply
    351,810x = 527,715 × 154,818
  4. Step 4: Simplify right side
    351,810x = 81,699,780,870
  5. Step 5: Solve for x
    x = 81,699,780,870/351,810
  6. Step 6: Final answer
    x = 232,227

Related Problems

Find fourth proportional to 175,905, 263,857.50 and 77,409
Half scale
Find fourth proportional to 703,620, 1,055,430 and 309,636
Double scale
Find fourth proportional to 351,811, 527,716.50 and 154,819
Similar ratio
Find fourth proportional to 527,715, 791,572.50 and 232,227
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.