Home / 247,865.40-342,053.35-140,455.96

Finding the Fourth Proportional to 247,865.40, 342,053.35 and 140,455.96

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Solution

The fourth proportional to 247,865.40, 342,053.35 and 140,455.96 is: 193,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,865.40 : 342,053.35 = 140,455.96 : x
  2. Step 2: Convert to fraction form
    247,865.40/342,053.35 = 140,455.96/x
  3. Step 3: Cross multiply
    247,865.40x = 342,053.35 × 140,455.96
  4. Step 4: Simplify right side
    247,865.40x = 48,043,430,439.19
  5. Step 5: Solve for x
    x = 48,043,430,439.19/247,865.40
  6. Step 6: Final answer
    x = 193,828.71

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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.