Home / 358,275.20-494,490.52-205,416.08

Finding the Fourth Proportional to 358,275.20, 494,490.52 and 205,416.08

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Solution

The fourth proportional to 358,275.20, 494,490.52 and 205,416.08 is: 283,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,275.20 : 494,490.52 = 205,416.08 : x
  2. Step 2: Convert to fraction form
    358,275.20/494,490.52 = 205,416.08/x
  3. Step 3: Cross multiply
    358,275.20x = 494,490.52 × 205,416.08
  4. Step 4: Simplify right side
    358,275.20x = 101,576,304,215.56
  5. Step 5: Solve for x
    x = 101,576,304,215.56/358,275.20
  6. Step 6: Final answer
    x = 283,514.75

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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.