Home / 284,621.18-392,766.28-163,801.28

Finding the Fourth Proportional to 284,621.18, 392,766.28 and 163,801.28

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Solution

The fourth proportional to 284,621.18, 392,766.28 and 163,801.28 is: 226,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,621.18 : 392,766.28 = 163,801.28 : x
  2. Step 2: Convert to fraction form
    284,621.18/392,766.28 = 163,801.28/x
  3. Step 3: Cross multiply
    284,621.18x = 392,766.28 × 163,801.28
  4. Step 4: Simplify right side
    284,621.18x = 64,335,619,404.84
  5. Step 5: Solve for x
    x = 64,335,619,404.84/284,621.18
  6. Step 6: Final answer
    x = 226,039.47

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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.