Home / 258,498.56-356,736.28-156,543.04

Finding the Fourth Proportional to 258,498.56, 356,736.28 and 156,543.04

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Solution

The fourth proportional to 258,498.56, 356,736.28 and 156,543.04 is: 216,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,498.56 : 356,736.28 = 156,543.04 : x
  2. Step 2: Convert to fraction form
    258,498.56/356,736.28 = 156,543.04/x
  3. Step 3: Cross multiply
    258,498.56x = 356,736.28 × 156,543.04
  4. Step 4: Simplify right side
    258,498.56x = 55,844,581,749.49
  5. Step 5: Solve for x
    x = 55,844,581,749.49/258,498.56
  6. Step 6: Final answer
    x = 216,034.40

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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.