Home / 278,929.86-384,923.70-151,605.12

Finding the Fourth Proportional to 278,929.86, 384,923.70 and 151,605.12

Calculator

Solution

The fourth proportional to 278,929.86, 384,923.70 and 151,605.12 is: 209,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,929.86 : 384,923.70 = 151,605.12 : x
  2. Step 2: Convert to fraction form
    278,929.86/384,923.70 = 151,605.12/x
  3. Step 3: Cross multiply
    278,929.86x = 384,923.70 × 151,605.12
  4. Step 4: Simplify right side
    278,929.86x = 58,356,403,729.34
  5. Step 5: Solve for x
    x = 58,356,403,729.34/278,929.86
  6. Step 6: Final answer
    x = 209,215.33

Related Problems

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.