Home / 247,748.40-342,034.66-163,111.50

Finding the Fourth Proportional to 247,748.40, 342,034.66 and 163,111.50

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Solution

The fourth proportional to 247,748.40, 342,034.66 and 163,111.50 is: 225,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,748.40 : 342,034.66 = 163,111.50 : x
  2. Step 2: Convert to fraction form
    247,748.40/342,034.66 = 163,111.50/x
  3. Step 3: Cross multiply
    247,748.40x = 342,034.66 × 163,111.50
  4. Step 4: Simplify right side
    247,748.40x = 55,789,786,444.59
  5. Step 5: Solve for x
    x = 55,789,786,444.59/247,748.40
  6. Step 6: Final answer
    x = 225,187.27

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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.