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Finding the Fourth Proportional to 224,598.30, 310,005.27 and 129,115.50

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Solution

The fourth proportional to 224,598.30, 310,005.27 and 129,115.50 is: 178,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,598.30 : 310,005.27 = 129,115.50 : x
  2. Step 2: Convert to fraction form
    224,598.30/310,005.27 = 129,115.50/x
  3. Step 3: Cross multiply
    224,598.30x = 310,005.27 × 129,115.50
  4. Step 4: Simplify right side
    224,598.30x = 40,026,485,438.69
  5. Step 5: Solve for x
    x = 40,026,485,438.69/224,598.30
  6. Step 6: Final answer
    x = 178,213.66

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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.