Home / 269,400.50-371,806.44-154,715.12

Finding the Fourth Proportional to 269,400.50, 371,806.44 and 154,715.12

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Solution

The fourth proportional to 269,400.50, 371,806.44 and 154,715.12 is: 213,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,400.50 : 371,806.44 = 154,715.12 : x
  2. Step 2: Convert to fraction form
    269,400.50/371,806.44 = 154,715.12/x
  3. Step 3: Cross multiply
    269,400.50x = 371,806.44 × 154,715.12
  4. Step 4: Simplify right side
    269,400.50x = 57,524,077,981.37
  5. Step 5: Solve for x
    x = 57,524,077,981.37/269,400.50
  6. Step 6: Final answer
    x = 213,526.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.