Home / 485,927.13-670,626.03-271,087.20

Finding the Fourth Proportional to 485,927.13, 670,626.03 and 271,087.20

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Solution

The fourth proportional to 485,927.13, 670,626.03 and 271,087.20 is: 374,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,927.13 : 670,626.03 = 271,087.20 : x
  2. Step 2: Convert to fraction form
    485,927.13/670,626.03 = 271,087.20/x
  3. Step 3: Cross multiply
    485,927.13x = 670,626.03 × 271,087.20
  4. Step 4: Simplify right side
    485,927.13x = 181,798,132,719.82
  5. Step 5: Solve for x
    x = 181,798,132,719.82/485,927.13
  6. Step 6: Final answer
    x = 374,126.33

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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.