Home / 272,439.93-375,961.23-157,723.42

Finding the Fourth Proportional to 272,439.93, 375,961.23 and 157,723.42

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Solution

The fourth proportional to 272,439.93, 375,961.23 and 157,723.42 is: 217,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,439.93 : 375,961.23 = 157,723.42 : x
  2. Step 2: Convert to fraction form
    272,439.93/375,961.23 = 157,723.42/x
  3. Step 3: Cross multiply
    272,439.93x = 375,961.23 × 157,723.42
  4. Step 4: Simplify right side
    272,439.93x = 59,297,890,437.41
  5. Step 5: Solve for x
    x = 59,297,890,437.41/272,439.93
  6. Step 6: Final answer
    x = 217,654.92

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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.