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Finding the Fourth Proportional to 347,700.52, 520,708.38 and 240,784.84

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Solution

The fourth proportional to 347,700.52, 520,708.38 and 240,784.84 is: 360,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,700.52 : 520,708.38 = 240,784.84 : x
  2. Step 2: Convert to fraction form
    347,700.52/520,708.38 = 240,784.84/x
  3. Step 3: Cross multiply
    347,700.52x = 520,708.38 × 240,784.84
  4. Step 4: Simplify right side
    347,700.52x = 125,378,683,964.96
  5. Step 5: Solve for x
    x = 125,378,683,964.96/347,700.52
  6. Step 6: Final answer
    x = 360,593.89

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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.