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Finding the Fourth Proportional to 246,572.68, 369,880.10 and 86,634.71

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Solution

The fourth proportional to 246,572.68, 369,880.10 and 86,634.71 is: 129,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,572.68 : 369,880.10 = 86,634.71 : x
  2. Step 2: Convert to fraction form
    246,572.68/369,880.10 = 86,634.71/x
  3. Step 3: Cross multiply
    246,572.68x = 369,880.10 × 86,634.71
  4. Step 4: Simplify right side
    246,572.68x = 32,044,456,339.56
  5. Step 5: Solve for x
    x = 32,044,456,339.56/246,572.68
  6. Step 6: Final answer
    x = 129,959.48

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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.