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Finding the Fourth Proportional to 224,737.96, 310,135.24 and 122,762.20

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Solution

The fourth proportional to 224,737.96, 310,135.24 and 122,762.20 is: 169,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,737.96 : 310,135.24 = 122,762.20 : x
  2. Step 2: Convert to fraction form
    224,737.96/310,135.24 = 122,762.20/x
  3. Step 3: Cross multiply
    224,737.96x = 310,135.24 × 122,762.20
  4. Step 4: Simplify right side
    224,737.96x = 38,072,884,359.93
  5. Step 5: Solve for x
    x = 38,072,884,359.93/224,737.96
  6. Step 6: Final answer
    x = 169,410.12

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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.