Home / 438,895.10-658,506.60-172,841.06

Finding the Fourth Proportional to 438,895.10, 658,506.60 and 172,841.06

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Solution

The fourth proportional to 438,895.10, 658,506.60 and 172,841.06 is: 259,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,895.10 : 658,506.60 = 172,841.06 : x
  2. Step 2: Convert to fraction form
    438,895.10/658,506.60 = 172,841.06/x
  3. Step 3: Cross multiply
    438,895.10x = 658,506.60 × 172,841.06
  4. Step 4: Simplify right side
    438,895.10x = 113,816,978,761.00
  5. Step 5: Solve for x
    x = 113,816,978,761.00/438,895.10
  6. Step 6: Final answer
    x = 259,326.16

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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.