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Finding the Fourth Proportional to 515,651.73, 773,498.52 and 245,641.02

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Solution

The fourth proportional to 515,651.73, 773,498.52 and 245,641.02 is: 368,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,651.73 : 773,498.52 = 245,641.02 : x
  2. Step 2: Convert to fraction form
    515,651.73/773,498.52 = 245,641.02/x
  3. Step 3: Cross multiply
    515,651.73x = 773,498.52 × 245,641.02
  4. Step 4: Simplify right side
    515,651.73x = 190,002,965,421.29
  5. Step 5: Solve for x
    x = 190,002,965,421.29/515,651.73
  6. Step 6: Final answer
    x = 368,471.50

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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.