Home / 285,097.26-393,478.40-162,589.91

Finding the Fourth Proportional to 285,097.26, 393,478.40 and 162,589.91

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Solution

The fourth proportional to 285,097.26, 393,478.40 and 162,589.91 is: 224,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,097.26 : 393,478.40 = 162,589.91 : x
  2. Step 2: Convert to fraction form
    285,097.26/393,478.40 = 162,589.91/x
  3. Step 3: Cross multiply
    285,097.26x = 393,478.40 × 162,589.91
  4. Step 4: Simplify right side
    285,097.26x = 63,975,614,862.60
  5. Step 5: Solve for x
    x = 63,975,614,862.60/285,097.26
  6. Step 6: Final answer
    x = 224,399.26

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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.