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Finding the Fourth Proportional to 335,224.32, 502,758.72 and 124,961.28

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Solution

The fourth proportional to 335,224.32, 502,758.72 and 124,961.28 is: 187,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,224.32 : 502,758.72 = 124,961.28 : x
  2. Step 2: Convert to fraction form
    335,224.32/502,758.72 = 124,961.28/x
  3. Step 3: Cross multiply
    335,224.32x = 502,758.72 × 124,961.28
  4. Step 4: Simplify right side
    335,224.32x = 62,825,373,182.36
  5. Step 5: Solve for x
    x = 62,825,373,182.36/335,224.32
  6. Step 6: Final answer
    x = 187,412.93

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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.