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Finding the Fourth Proportional to 287,502.08, 430,776.39 and 174,841.52

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Solution

The fourth proportional to 287,502.08, 430,776.39 and 174,841.52 is: 261,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,502.08 : 430,776.39 = 174,841.52 : x
  2. Step 2: Convert to fraction form
    287,502.08/430,776.39 = 174,841.52/x
  3. Step 3: Cross multiply
    287,502.08x = 430,776.39 × 174,841.52
  4. Step 4: Simplify right side
    287,502.08x = 75,317,598,807.71
  5. Step 5: Solve for x
    x = 75,317,598,807.71/287,502.08
  6. Step 6: Final answer
    x = 261,972.36

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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.