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Finding the Fourth Proportional to 369,585.18, 554,372.91 and 89,100.18

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Solution

The fourth proportional to 369,585.18, 554,372.91 and 89,100.18 is: 133,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,585.18 : 554,372.91 = 89,100.18 : x
  2. Step 2: Convert to fraction form
    369,585.18/554,372.91 = 89,100.18/x
  3. Step 3: Cross multiply
    369,585.18x = 554,372.91 × 89,100.18
  4. Step 4: Simplify right side
    369,585.18x = 49,394,726,068.12
  5. Step 5: Solve for x
    x = 49,394,726,068.12/369,585.18
  6. Step 6: Final answer
    x = 133,649.10

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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.