Home / 247,835.73-342,030.23-140,406.65

Finding the Fourth Proportional to 247,835.73, 342,030.23 and 140,406.65

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Solution

The fourth proportional to 247,835.73, 342,030.23 and 140,406.65 is: 193,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,835.73 : 342,030.23 = 140,406.65 : x
  2. Step 2: Convert to fraction form
    247,835.73/342,030.23 = 140,406.65/x
  3. Step 3: Cross multiply
    247,835.73x = 342,030.23 × 140,406.65
  4. Step 4: Simplify right side
    247,835.73x = 48,023,316,380.85
  5. Step 5: Solve for x
    x = 48,023,316,380.85/247,835.73
  6. Step 6: Final answer
    x = 193,770.75

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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.