Home / 353,233.52-487,475.06-202,359.68

Finding the Fourth Proportional to 353,233.52, 487,475.06 and 202,359.68

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Solution

The fourth proportional to 353,233.52, 487,475.06 and 202,359.68 is: 279,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,233.52 : 487,475.06 = 202,359.68 : x
  2. Step 2: Convert to fraction form
    353,233.52/487,475.06 = 202,359.68/x
  3. Step 3: Cross multiply
    353,233.52x = 487,475.06 × 202,359.68
  4. Step 4: Simplify right side
    353,233.52x = 98,645,297,149.58
  5. Step 5: Solve for x
    x = 98,645,297,149.58/353,233.52
  6. Step 6: Final answer
    x = 279,263.69

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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.