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Finding the Fourth Proportional to 246,332.66, 369,123.15 and 128,042.42

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Solution

The fourth proportional to 246,332.66, 369,123.15 and 128,042.42 is: 191,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,332.66 : 369,123.15 = 128,042.42 : x
  2. Step 2: Convert to fraction form
    246,332.66/369,123.15 = 128,042.42/x
  3. Step 3: Cross multiply
    246,332.66x = 369,123.15 × 128,042.42
  4. Step 4: Simplify right side
    246,332.66x = 47,263,421,404.02
  5. Step 5: Solve for x
    x = 47,263,421,404.02/246,332.66
  6. Step 6: Final answer
    x = 191,868.27

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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.