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Finding the Fourth Proportional to 224,597.07, 309,943.94 and 129,122.37

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Solution

The fourth proportional to 224,597.07, 309,943.94 and 129,122.37 is: 178,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,597.07 : 309,943.94 = 129,122.37 : x
  2. Step 2: Convert to fraction form
    224,597.07/309,943.94 = 129,122.37/x
  3. Step 3: Cross multiply
    224,597.07x = 309,943.94 × 129,122.37
  4. Step 4: Simplify right side
    224,597.07x = 40,020,695,454.33
  5. Step 5: Solve for x
    x = 40,020,695,454.33/224,597.07
  6. Step 6: Final answer
    x = 178,188.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.