Home / 439,999.38-659,812.95-187,269.66

Finding the Fourth Proportional to 439,999.38, 659,812.95 and 187,269.66

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Solution

The fourth proportional to 439,999.38, 659,812.95 and 187,269.66 is: 280,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,999.38 : 659,812.95 = 187,269.66 : x
  2. Step 2: Convert to fraction form
    439,999.38/659,812.95 = 187,269.66/x
  3. Step 3: Cross multiply
    439,999.38x = 659,812.95 × 187,269.66
  4. Step 4: Simplify right side
    439,999.38x = 123,562,946,810.10
  5. Step 5: Solve for x
    x = 123,562,946,810.10/439,999.38
  6. Step 6: Final answer
    x = 280,825.27

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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.