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Finding the Fourth Proportional to 347,763.70, 521,292.65 and 197,693.90

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Solution

The fourth proportional to 347,763.70, 521,292.65 and 197,693.90 is: 296,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,763.70 : 521,292.65 = 197,693.90 : x
  2. Step 2: Convert to fraction form
    347,763.70/521,292.65 = 197,693.90/x
  3. Step 3: Cross multiply
    347,763.70x = 521,292.65 × 197,693.90
  4. Step 4: Simplify right side
    347,763.70x = 103,056,377,019.84
  5. Step 5: Solve for x
    x = 103,056,377,019.84/347,763.70
  6. Step 6: Final answer
    x = 296,340.24

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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.