Home / 372,454.45-513,951.57-209,073.55

Finding the Fourth Proportional to 372,454.45, 513,951.57 and 209,073.55

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Solution

The fourth proportional to 372,454.45, 513,951.57 and 209,073.55 is: 288,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,454.45 : 513,951.57 = 209,073.55 : x
  2. Step 2: Convert to fraction form
    372,454.45/513,951.57 = 209,073.55/x
  3. Step 3: Cross multiply
    372,454.45x = 513,951.57 × 209,073.55
  4. Step 4: Simplify right side
    372,454.45x = 107,453,678,767.12
  5. Step 5: Solve for x
    x = 107,453,678,767.12/372,454.45
  6. Step 6: Final answer
    x = 288,501.53

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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.