Home / 275,148.15-379,543.57-173,011.90

Finding the Fourth Proportional to 275,148.15, 379,543.57 and 173,011.90

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Solution

The fourth proportional to 275,148.15, 379,543.57 and 173,011.90 is: 238,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,148.15 : 379,543.57 = 173,011.90 : x
  2. Step 2: Convert to fraction form
    275,148.15/379,543.57 = 173,011.90/x
  3. Step 3: Cross multiply
    275,148.15x = 379,543.57 × 173,011.90
  4. Step 4: Simplify right side
    275,148.15x = 65,665,554,178.48
  5. Step 5: Solve for x
    x = 65,665,554,178.48/275,148.15
  6. Step 6: Final answer
    x = 238,655.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.