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Finding the Fourth Proportional to 272,393.76, 375,896.88 and 151,535.52

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Solution

The fourth proportional to 272,393.76, 375,896.88 and 151,535.52 is: 209,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,393.76 : 375,896.88 = 151,535.52 : x
  2. Step 2: Convert to fraction form
    272,393.76/375,896.88 = 151,535.52/x
  3. Step 3: Cross multiply
    272,393.76x = 375,896.88 × 151,535.52
  4. Step 4: Simplify right side
    272,393.76x = 56,961,729,177.18
  5. Step 5: Solve for x
    x = 56,961,729,177.18/272,393.76
  6. Step 6: Final answer
    x = 209,115.40

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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.