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Finding the Fourth Proportional to 224,341.95, 336,440.13 and 74,542.02

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Solution

The fourth proportional to 224,341.95, 336,440.13 and 74,542.02 is: 111,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,341.95 : 336,440.13 = 74,542.02 : x
  2. Step 2: Convert to fraction form
    224,341.95/336,440.13 = 74,542.02/x
  3. Step 3: Cross multiply
    224,341.95x = 336,440.13 × 74,542.02
  4. Step 4: Simplify right side
    224,341.95x = 25,078,927,669.85
  5. Step 5: Solve for x
    x = 25,078,927,669.85/224,341.95
  6. Step 6: Final answer
    x = 111,788.84

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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.