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Finding the Fourth Proportional to 338,755.50, 508,167.27 and 89,437.50

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Solution

The fourth proportional to 338,755.50, 508,167.27 and 89,437.50 is: 134,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,755.50 : 508,167.27 = 89,437.50 : x
  2. Step 2: Convert to fraction form
    338,755.50/508,167.27 = 89,437.50/x
  3. Step 3: Cross multiply
    338,755.50x = 508,167.27 × 89,437.50
  4. Step 4: Simplify right side
    338,755.50x = 45,449,210,210.63
  5. Step 5: Solve for x
    x = 45,449,210,210.63/338,755.50
  6. Step 6: Final answer
    x = 134,165.23

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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.