Home / 399,003.18-598,725.09-162,512.34

Finding the Fourth Proportional to 399,003.18, 598,725.09 and 162,512.34

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Solution

The fourth proportional to 399,003.18, 598,725.09 and 162,512.34 is: 243,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,003.18 : 598,725.09 = 162,512.34 : x
  2. Step 2: Convert to fraction form
    399,003.18/598,725.09 = 162,512.34/x
  3. Step 3: Cross multiply
    399,003.18x = 598,725.09 × 162,512.34
  4. Step 4: Simplify right side
    399,003.18x = 97,300,215,392.61
  5. Step 5: Solve for x
    x = 97,300,215,392.61/399,003.18
  6. Step 6: Final answer
    x = 243,858.25

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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.