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Finding the Fourth Proportional to 228,062.52, 342,149.40 and 160,725.87

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Solution

The fourth proportional to 228,062.52, 342,149.40 and 160,725.87 is: 241,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,062.52 : 342,149.40 = 160,725.87 : x
  2. Step 2: Convert to fraction form
    228,062.52/342,149.40 = 160,725.87/x
  3. Step 3: Cross multiply
    228,062.52x = 342,149.40 × 160,725.87
  4. Step 4: Simplify right side
    228,062.52x = 54,992,259,984.98
  5. Step 5: Solve for x
    x = 54,992,259,984.98/228,062.52
  6. Step 6: Final answer
    x = 241,128.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.