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Finding the Fourth Proportional to 225,073.61, 310,607.03 and 123,108.65

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Solution

The fourth proportional to 225,073.61, 310,607.03 and 123,108.65 is: 169,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,073.61 : 310,607.03 = 123,108.65 : x
  2. Step 2: Convert to fraction form
    225,073.61/310,607.03 = 123,108.65/x
  3. Step 3: Cross multiply
    225,073.61x = 310,607.03 × 123,108.65
  4. Step 4: Simplify right side
    225,073.61x = 38,238,411,528.27
  5. Step 5: Solve for x
    x = 38,238,411,528.27/225,073.61
  6. Step 6: Final answer
    x = 169,892.91

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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.