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Finding the Fourth Proportional to 247,835.52, 342,012.24 and 134,658.72

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Solution

The fourth proportional to 247,835.52, 342,012.24 and 134,658.72 is: 185,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,835.52 : 342,012.24 = 134,658.72 : x
  2. Step 2: Convert to fraction form
    247,835.52/342,012.24 = 134,658.72/x
  3. Step 3: Cross multiply
    247,835.52x = 342,012.24 × 134,658.72
  4. Step 4: Simplify right side
    247,835.52x = 46,054,930,462.73
  5. Step 5: Solve for x
    x = 46,054,930,462.73/247,835.52
  6. Step 6: Final answer
    x = 185,828.61

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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.