Home / 306,054.40-457,785.60-274,691.20

Finding the Fourth Proportional to 306,054.40, 457,785.60 and 274,691.20

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Solution

The fourth proportional to 306,054.40, 457,785.60 and 274,691.20 is: 410,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,054.40 : 457,785.60 = 274,691.20 : x
  2. Step 2: Convert to fraction form
    306,054.40/457,785.60 = 274,691.20/x
  3. Step 3: Cross multiply
    306,054.40x = 457,785.60 × 274,691.20
  4. Step 4: Simplify right side
    306,054.40x = 125,749,675,806.72
  5. Step 5: Solve for x
    x = 125,749,675,806.72/306,054.40
  6. Step 6: Final answer
    x = 410,873.61

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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.