Home / 439,280.06-658,670.40-172,896.17

Finding the Fourth Proportional to 439,280.06, 658,670.40 and 172,896.17

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Solution

The fourth proportional to 439,280.06, 658,670.40 and 172,896.17 is: 259,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,280.06 : 658,670.40 = 172,896.17 : x
  2. Step 2: Convert to fraction form
    439,280.06/658,670.40 = 172,896.17/x
  3. Step 3: Cross multiply
    439,280.06x = 658,670.40 × 172,896.17
  4. Step 4: Simplify right side
    439,280.06x = 113,881,586,159.02
  5. Step 5: Solve for x
    x = 113,881,586,159.02/439,280.06
  6. Step 6: Final answer
    x = 259,245.98

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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.