Home / 372,427.90-513,908.73-219,456.16

Finding the Fourth Proportional to 372,427.90, 513,908.73 and 219,456.16

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Solution

The fourth proportional to 372,427.90, 513,908.73 and 219,456.16 is: 302,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,427.90 : 513,908.73 = 219,456.16 : x
  2. Step 2: Convert to fraction form
    372,427.90/513,908.73 = 219,456.16/x
  3. Step 3: Cross multiply
    372,427.90x = 513,908.73 × 219,456.16
  4. Step 4: Simplify right side
    372,427.90x = 112,780,436,476.28
  5. Step 5: Solve for x
    x = 112,780,436,476.28/372,427.90
  6. Step 6: Final answer
    x = 302,824.89

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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.