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Finding the Fourth Proportional to 335,055.30, 502,410.15 and 124,584.90

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Solution

The fourth proportional to 335,055.30, 502,410.15 and 124,584.90 is: 186,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,055.30 : 502,410.15 = 124,584.90 : x
  2. Step 2: Convert to fraction form
    335,055.30/502,410.15 = 124,584.90/x
  3. Step 3: Cross multiply
    335,055.30x = 502,410.15 × 124,584.90
  4. Step 4: Simplify right side
    335,055.30x = 62,592,718,296.74
  5. Step 5: Solve for x
    x = 62,592,718,296.74/335,055.30
  6. Step 6: Final answer
    x = 186,813.10

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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.