Home / 247,905.64-342,110.82-147,301.48

Finding the Fourth Proportional to 247,905.64, 342,110.82 and 147,301.48

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Solution

The fourth proportional to 247,905.64, 342,110.82 and 147,301.48 is: 203,276.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,905.64 : 342,110.82 = 147,301.48 : x
  2. Step 2: Convert to fraction form
    247,905.64/342,110.82 = 147,301.48/x
  3. Step 3: Cross multiply
    247,905.64x = 342,110.82 × 147,301.48
  4. Step 4: Simplify right side
    247,905.64x = 50,393,430,110.01
  5. Step 5: Solve for x
    x = 50,393,430,110.01/247,905.64
  6. Step 6: Final answer
    x = 203,276.66

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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.