Home / 272,293.92-375,749.28-151,428.96

Finding the Fourth Proportional to 272,293.92, 375,749.28 and 151,428.96

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Solution

The fourth proportional to 272,293.92, 375,749.28 and 151,428.96 is: 208,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,293.92 : 375,749.28 = 151,428.96 : x
  2. Step 2: Convert to fraction form
    272,293.92/375,749.28 = 151,428.96/x
  3. Step 3: Cross multiply
    272,293.92x = 375,749.28 × 151,428.96
  4. Step 4: Simplify right side
    272,293.92x = 56,899,322,691.15
  5. Step 5: Solve for x
    x = 56,899,322,691.15/272,293.92
  6. Step 6: Final answer
    x = 208,962.88

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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.