Home / 372,103.20-513,496.56-202,335.84

Finding the Fourth Proportional to 372,103.20, 513,496.56 and 202,335.84

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Solution

The fourth proportional to 372,103.20, 513,496.56 and 202,335.84 is: 279,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,103.20 : 513,496.56 = 202,335.84 : x
  2. Step 2: Convert to fraction form
    372,103.20/513,496.56 = 202,335.84/x
  3. Step 3: Cross multiply
    372,103.20x = 513,496.56 × 202,335.84
  4. Step 4: Simplify right side
    372,103.20x = 103,898,757,804.71
  5. Step 5: Solve for x
    x = 103,898,757,804.71/372,103.20
  6. Step 6: Final answer
    x = 279,220.27

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1.5x scale

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.