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Finding the Fourth Proportional to 353,119.01, 487,410.95 and 240,007.37

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Solution

The fourth proportional to 353,119.01, 487,410.95 and 240,007.37 is: 331,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,119.01 : 487,410.95 = 240,007.37 : x
  2. Step 2: Convert to fraction form
    353,119.01/487,410.95 = 240,007.37/x
  3. Step 3: Cross multiply
    353,119.01x = 487,410.95 × 240,007.37
  4. Step 4: Simplify right side
    353,119.01x = 116,982,218,381.67
  5. Step 5: Solve for x
    x = 116,982,218,381.67/353,119.01
  6. Step 6: Final answer
    x = 331,282.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.