Home / 272,611.20-376,238.78-156,370.02

Finding the Fourth Proportional to 272,611.20, 376,238.78 and 156,370.02

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Solution

The fourth proportional to 272,611.20, 376,238.78 and 156,370.02 is: 215,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,611.20 : 376,238.78 = 156,370.02 : x
  2. Step 2: Convert to fraction form
    272,611.20/376,238.78 = 156,370.02/x
  3. Step 3: Cross multiply
    272,611.20x = 376,238.78 × 156,370.02
  4. Step 4: Simplify right side
    272,611.20x = 58,832,464,771.53
  5. Step 5: Solve for x
    x = 58,832,464,771.53/272,611.20
  6. Step 6: Final answer
    x = 215,810.89

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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.