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Finding the Fourth Proportional to 255,344.22, 383,191.29 and 89,132.22

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Solution

The fourth proportional to 255,344.22, 383,191.29 and 89,132.22 is: 133,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,344.22 : 383,191.29 = 89,132.22 : x
  2. Step 2: Convert to fraction form
    255,344.22/383,191.29 = 89,132.22/x
  3. Step 3: Cross multiply
    255,344.22x = 383,191.29 × 89,132.22
  4. Step 4: Simplify right side
    255,344.22x = 34,154,690,362.36
  5. Step 5: Solve for x
    x = 34,154,690,362.36/255,344.22
  6. Step 6: Final answer
    x = 133,759.40

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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.