Home / 285,422.04-393,963.48-172,252.08

Finding the Fourth Proportional to 285,422.04, 393,963.48 and 172,252.08

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Solution

The fourth proportional to 285,422.04, 393,963.48 and 172,252.08 is: 237,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,422.04 : 393,963.48 = 172,252.08 : x
  2. Step 2: Convert to fraction form
    285,422.04/393,963.48 = 172,252.08/x
  3. Step 3: Cross multiply
    285,422.04x = 393,963.48 × 172,252.08
  4. Step 4: Simplify right side
    285,422.04x = 67,861,028,874.04
  5. Step 5: Solve for x
    x = 67,861,028,874.04/285,422.04
  6. Step 6: Final answer
    x = 237,756.79

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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.