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Finding the Fourth Proportional to 494,575.60, 742,057.80 and 195,005.20

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Solution

The fourth proportional to 494,575.60, 742,057.80 and 195,005.20 is: 292,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,575.60 : 742,057.80 = 195,005.20 : x
  2. Step 2: Convert to fraction form
    494,575.60/742,057.80 = 195,005.20/x
  3. Step 3: Cross multiply
    494,575.60x = 742,057.80 × 195,005.20
  4. Step 4: Simplify right side
    494,575.60x = 144,705,129,700.56
  5. Step 5: Solve for x
    x = 144,705,129,700.56/494,575.60
  6. Step 6: Final answer
    x = 292,584.45

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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.