Home / 247,115.18-370,729.78-104,965.04

Finding the Fourth Proportional to 247,115.18, 370,729.78 and 104,965.04

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Solution

The fourth proportional to 247,115.18, 370,729.78 and 104,965.04 is: 157,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,115.18 : 370,729.78 = 104,965.04 : x
  2. Step 2: Convert to fraction form
    247,115.18/370,729.78 = 104,965.04/x
  3. Step 3: Cross multiply
    247,115.18x = 370,729.78 × 104,965.04
  4. Step 4: Simplify right side
    247,115.18x = 38,913,666,851.30
  5. Step 5: Solve for x
    x = 38,913,666,851.30/247,115.18
  6. Step 6: Final answer
    x = 157,471.78

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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.