Home / 284,261.52-392,281.48-156,937.36

Finding the Fourth Proportional to 284,261.52, 392,281.48 and 156,937.36

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Solution

The fourth proportional to 284,261.52, 392,281.48 and 156,937.36 is: 216,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,261.52 : 392,281.48 = 156,937.36 : x
  2. Step 2: Convert to fraction form
    284,261.52/392,281.48 = 156,937.36/x
  3. Step 3: Cross multiply
    284,261.52x = 392,281.48 × 156,937.36
  4. Step 4: Simplify right side
    284,261.52x = 61,563,619,848.09
  5. Step 5: Solve for x
    x = 61,563,619,848.09/284,261.52
  6. Step 6: Final answer
    x = 216,573.88

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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.