Home / 439,245.20-658,430.40-202,174.40

Finding the Fourth Proportional to 439,245.20, 658,430.40 and 202,174.40

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Solution

The fourth proportional to 439,245.20, 658,430.40 and 202,174.40 is: 303,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,245.20 : 658,430.40 = 202,174.40 : x
  2. Step 2: Convert to fraction form
    439,245.20/658,430.40 = 202,174.40/x
  3. Step 3: Cross multiply
    439,245.20x = 658,430.40 × 202,174.40
  4. Step 4: Simplify right side
    439,245.20x = 133,117,771,061.76
  5. Step 5: Solve for x
    x = 133,117,771,061.76/439,245.20
  6. Step 6: Final answer
    x = 303,060.27

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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.