Home / 485,093.93-727,749.97-148,106.39

Finding the Fourth Proportional to 485,093.93, 727,749.97 and 148,106.39

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Solution

The fourth proportional to 485,093.93, 727,749.97 and 148,106.39 is: 222,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,093.93 : 727,749.97 = 148,106.39 : x
  2. Step 2: Convert to fraction form
    485,093.93/727,749.97 = 148,106.39/x
  3. Step 3: Cross multiply
    485,093.93x = 727,749.97 × 148,106.39
  4. Step 4: Simplify right side
    485,093.93x = 107,784,416,870.29
  5. Step 5: Solve for x
    x = 107,784,416,870.29/485,093.93
  6. Step 6: Final answer
    x = 222,192.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.