Home / 394,090.20-591,281.10-157,602.60

Finding the Fourth Proportional to 394,090.20, 591,281.10 and 157,602.60

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Solution

The fourth proportional to 394,090.20, 591,281.10 and 157,602.60 is: 236,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,090.20 : 591,281.10 = 157,602.60 : x
  2. Step 2: Convert to fraction form
    394,090.20/591,281.10 = 157,602.60/x
  3. Step 3: Cross multiply
    394,090.20x = 591,281.10 × 157,602.60
  4. Step 4: Simplify right side
    394,090.20x = 93,187,438,690.86
  5. Step 5: Solve for x
    x = 93,187,438,690.86/394,090.20
  6. Step 6: Final answer
    x = 236,462.21

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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.