Home / 353,225.39-487,463.85-202,351.55

Finding the Fourth Proportional to 353,225.39, 487,463.85 and 202,351.55

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Solution

The fourth proportional to 353,225.39, 487,463.85 and 202,351.55 is: 279,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,225.39 : 487,463.85 = 202,351.55 : x
  2. Step 2: Convert to fraction form
    353,225.39/487,463.85 = 202,351.55/x
  3. Step 3: Cross multiply
    353,225.39x = 487,463.85 × 202,351.55
  4. Step 4: Simplify right side
    353,225.39x = 98,639,063,179.15
  5. Step 5: Solve for x
    x = 98,639,063,179.15/353,225.39
  6. Step 6: Final answer
    x = 279,252.48

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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.