Home / 272,938.28-376,655.60-158,239.20

Finding the Fourth Proportional to 272,938.28, 376,655.60 and 158,239.20

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Solution

The fourth proportional to 272,938.28, 376,655.60 and 158,239.20 is: 218,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,938.28 : 376,655.60 = 158,239.20 : x
  2. Step 2: Convert to fraction form
    272,938.28/376,655.60 = 158,239.20/x
  3. Step 3: Cross multiply
    272,938.28x = 376,655.60 × 158,239.20
  4. Step 4: Simplify right side
    272,938.28x = 59,601,680,819.52
  5. Step 5: Solve for x
    x = 59,601,680,819.52/272,938.28
  6. Step 6: Final answer
    x = 218,370.54

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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.