Home / 288,831.22-433,206.66-89,158.12

Finding the Fourth Proportional to 288,831.22, 433,206.66 and 89,158.12

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Solution

The fourth proportional to 288,831.22, 433,206.66 and 89,158.12 is: 133,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,831.22 : 433,206.66 = 89,158.12 : x
  2. Step 2: Convert to fraction form
    288,831.22/433,206.66 = 89,158.12/x
  3. Step 3: Cross multiply
    288,831.22x = 433,206.66 × 89,158.12
  4. Step 4: Simplify right side
    288,831.22x = 38,623,891,377.08
  5. Step 5: Solve for x
    x = 38,623,891,377.08/288,831.22
  6. Step 6: Final answer
    x = 133,724.78

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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.