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Finding the Fourth Proportional to 292,841.61, 439,371.75 and 115,472.25

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Solution

The fourth proportional to 292,841.61, 439,371.75 and 115,472.25 is: 173,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,841.61 : 439,371.75 = 115,472.25 : x
  2. Step 2: Convert to fraction form
    292,841.61/439,371.75 = 115,472.25/x
  3. Step 3: Cross multiply
    292,841.61x = 439,371.75 × 115,472.25
  4. Step 4: Simplify right side
    292,841.61x = 50,735,244,558.94
  5. Step 5: Solve for x
    x = 50,735,244,558.94/292,841.61
  6. Step 6: Final answer
    x = 173,251.49

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1.5x scale

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.