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Finding the Fourth Proportional to 442,841.52, 664,373.52 and 127,299

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Solution

The fourth proportional to 442,841.52, 664,373.52 and 127,299 is: 190,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,841.52 : 664,373.52 = 127,299 : x
  2. Step 2: Convert to fraction form
    442,841.52/664,373.52 = 127,299/x
  3. Step 3: Cross multiply
    442,841.52x = 664,373.52 × 127,299
  4. Step 4: Simplify right side
    442,841.52x = 84,574,084,722.48
  5. Step 5: Solve for x
    x = 84,574,084,722.48/442,841.52
  6. Step 6: Final answer
    x = 190,980.48

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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.