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Finding the Fourth Proportional to 347,384.34, 520,538.52 and 240,975.24

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Solution

The fourth proportional to 347,384.34, 520,538.52 and 240,975.24 is: 361,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,384.34 : 520,538.52 = 240,975.24 : x
  2. Step 2: Convert to fraction form
    347,384.34/520,538.52 = 240,975.24/x
  3. Step 3: Cross multiply
    347,384.34x = 520,538.52 × 240,975.24
  4. Step 4: Simplify right side
    347,384.34x = 125,436,894,786.25
  5. Step 5: Solve for x
    x = 125,436,894,786.25/347,384.34
  6. Step 6: Final answer
    x = 361,089.66

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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.