Home / 288,831.28-433,080.16-89,098.04

Finding the Fourth Proportional to 288,831.28, 433,080.16 and 89,098.04

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Solution

The fourth proportional to 288,831.28, 433,080.16 and 89,098.04 is: 133,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,831.28 : 433,080.16 = 89,098.04 : x
  2. Step 2: Convert to fraction form
    288,831.28/433,080.16 = 89,098.04/x
  3. Step 3: Cross multiply
    288,831.28x = 433,080.16 × 89,098.04
  4. Step 4: Simplify right side
    288,831.28x = 38,586,593,418.89
  5. Step 5: Solve for x
    x = 38,586,593,418.89/288,831.28
  6. Step 6: Final answer
    x = 133,595.62

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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.