Home / 372,102.29-513,438.89-219,170.93

Finding the Fourth Proportional to 372,102.29, 513,438.89 and 219,170.93

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Solution

The fourth proportional to 372,102.29, 513,438.89 and 219,170.93 is: 302,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,102.29 : 513,438.89 = 219,170.93 : x
  2. Step 2: Convert to fraction form
    372,102.29/513,438.89 = 219,170.93/x
  3. Step 3: Cross multiply
    372,102.29x = 513,438.89 × 219,170.93
  4. Step 4: Simplify right side
    372,102.29x = 112,530,875,356.42
  5. Step 5: Solve for x
    x = 112,530,875,356.42/372,102.29
  6. Step 6: Final answer
    x = 302,419.20

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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.