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Finding the Fourth Proportional to 557,272.41, 835,645.10 and 215,875.73

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Solution

The fourth proportional to 557,272.41, 835,645.10 and 215,875.73 is: 323,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,272.41 : 835,645.10 = 215,875.73 : x
  2. Step 2: Convert to fraction form
    557,272.41/835,645.10 = 215,875.73/x
  3. Step 3: Cross multiply
    557,272.41x = 835,645.10 × 215,875.73
  4. Step 4: Simplify right side
    557,272.41x = 180,395,497,639.48
  5. Step 5: Solve for x
    x = 180,395,497,639.48/557,272.41
  6. Step 6: Final answer
    x = 323,711.52

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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.