Home / 399,246.17-598,859.19-162,588.20

Finding the Fourth Proportional to 399,246.17, 598,859.19 and 162,588.20

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Solution

The fourth proportional to 399,246.17, 598,859.19 and 162,588.20 is: 243,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,246.17 : 598,859.19 = 162,588.20 : x
  2. Step 2: Convert to fraction form
    399,246.17/598,859.19 = 162,588.20/x
  3. Step 3: Cross multiply
    399,246.17x = 598,859.19 × 162,588.20
  4. Step 4: Simplify right side
    399,246.17x = 97,367,434,761.26
  5. Step 5: Solve for x
    x = 97,367,434,761.26/399,246.17
  6. Step 6: Final answer
    x = 243,878.20

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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.