Home / 268,630.38-402,437.60-158,757.47

Finding the Fourth Proportional to 268,630.38, 402,437.60 and 158,757.47

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Solution

The fourth proportional to 268,630.38, 402,437.60 and 158,757.47 is: 237,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,630.38 : 402,437.60 = 158,757.47 : x
  2. Step 2: Convert to fraction form
    268,630.38/402,437.60 = 158,757.47/x
  3. Step 3: Cross multiply
    268,630.38x = 402,437.60 × 158,757.47
  4. Step 4: Simplify right side
    268,630.38x = 63,889,975,208.87
  5. Step 5: Solve for x
    x = 63,889,975,208.87/268,630.38
  6. Step 6: Final answer
    x = 237,836.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.