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Finding the Fourth Proportional to 335,114.40, 502,671.60 and 124,708.80

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Solution

The fourth proportional to 335,114.40, 502,671.60 and 124,708.80 is: 187,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,114.40 : 502,671.60 = 124,708.80 : x
  2. Step 2: Convert to fraction form
    335,114.40/502,671.60 = 124,708.80/x
  3. Step 3: Cross multiply
    335,114.40x = 502,671.60 × 124,708.80
  4. Step 4: Simplify right side
    335,114.40x = 62,687,572,030.08
  5. Step 5: Solve for x
    x = 62,687,572,030.08/335,114.40
  6. Step 6: Final answer
    x = 187,063.20

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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.