Home / 399,077.19-598,095.97-162,142.88

Finding the Fourth Proportional to 399,077.19, 598,095.97 and 162,142.88

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Solution

The fourth proportional to 399,077.19, 598,095.97 and 162,142.88 is: 243,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,077.19 : 598,095.97 = 162,142.88 : x
  2. Step 2: Convert to fraction form
    399,077.19/598,095.97 = 162,142.88/x
  3. Step 3: Cross multiply
    399,077.19x = 598,095.97 × 162,142.88
  4. Step 4: Simplify right side
    399,077.19x = 96,976,999,696.36
  5. Step 5: Solve for x
    x = 96,976,999,696.36/399,077.19
  6. Step 6: Final answer
    x = 243,003.11

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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.