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Finding the Fourth Proportional to 246,308.50, 369,347.91 and 127,948.06

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Solution

The fourth proportional to 246,308.50, 369,347.91 and 127,948.06 is: 191,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,308.50 : 369,347.91 = 127,948.06 : x
  2. Step 2: Convert to fraction form
    246,308.50/369,347.91 = 127,948.06/x
  3. Step 3: Cross multiply
    246,308.50x = 369,347.91 × 127,948.06
  4. Step 4: Simplify right side
    246,308.50x = 47,257,348,549.55
  5. Step 5: Solve for x
    x = 47,257,348,549.55/246,308.50
  6. Step 6: Final answer
    x = 191,862.43

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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.