Home / 284,746.25-392,937.37-163,891.42

Finding the Fourth Proportional to 284,746.25, 392,937.37 and 163,891.42

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Solution

The fourth proportional to 284,746.25, 392,937.37 and 163,891.42 is: 226,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,746.25 : 392,937.37 = 163,891.42 : x
  2. Step 2: Convert to fraction form
    284,746.25/392,937.37 = 163,891.42/x
  3. Step 3: Cross multiply
    284,746.25x = 392,937.37 × 163,891.42
  4. Step 4: Simplify right side
    284,746.25x = 64,399,062,148.29
  5. Step 5: Solve for x
    x = 64,399,062,148.29/284,746.25
  6. Step 6: Final answer
    x = 226,162.98

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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.