Home / 372,040.11-513,432.90-210,898.29

Finding the Fourth Proportional to 372,040.11, 513,432.90 and 210,898.29

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Solution

The fourth proportional to 372,040.11, 513,432.90 and 210,898.29 is: 291,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,040.11 : 513,432.90 = 210,898.29 : x
  2. Step 2: Convert to fraction form
    372,040.11/513,432.90 = 210,898.29/x
  3. Step 3: Cross multiply
    372,040.11x = 513,432.90 × 210,898.29
  4. Step 4: Simplify right side
    372,040.11x = 108,282,120,639.74
  5. Step 5: Solve for x
    x = 108,282,120,639.74/372,040.11
  6. Step 6: Final answer
    x = 291,049.59

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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.