Home / 272,440.39-375,961.88-157,723.89

Finding the Fourth Proportional to 272,440.39, 375,961.88 and 157,723.89

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Solution

The fourth proportional to 272,440.39, 375,961.88 and 157,723.89 is: 217,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,440.39 : 375,961.88 = 157,723.89 : x
  2. Step 2: Convert to fraction form
    272,440.39/375,961.88 = 157,723.89/x
  3. Step 3: Cross multiply
    272,440.39x = 375,961.88 × 157,723.89
  4. Step 4: Simplify right side
    272,440.39x = 59,298,170,205.31
  5. Step 5: Solve for x
    x = 59,298,170,205.31/272,440.39
  6. Step 6: Final answer
    x = 217,655.58

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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.