Home / 494,799.40-742,155.90-162,375.40

Finding the Fourth Proportional to 494,799.40, 742,155.90 and 162,375.40

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Solution

The fourth proportional to 494,799.40, 742,155.90 and 162,375.40 is: 243,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,799.40 : 742,155.90 = 162,375.40 : x
  2. Step 2: Convert to fraction form
    494,799.40/742,155.90 = 162,375.40/x
  3. Step 3: Cross multiply
    494,799.40x = 742,155.90 × 162,375.40
  4. Step 4: Simplify right side
    494,799.40x = 120,507,861,124.86
  5. Step 5: Solve for x
    x = 120,507,861,124.86/494,799.40
  6. Step 6: Final answer
    x = 243,548.92

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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.