Home / 456,815.60-685,255.80-141,297.92

Finding the Fourth Proportional to 456,815.60, 685,255.80 and 141,297.92

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Solution

The fourth proportional to 456,815.60, 685,255.80 and 141,297.92 is: 211,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,815.60 : 685,255.80 = 141,297.92 : x
  2. Step 2: Convert to fraction form
    456,815.60/685,255.80 = 141,297.92/x
  3. Step 3: Cross multiply
    456,815.60x = 685,255.80 × 141,297.92
  4. Step 4: Simplify right side
    456,815.60x = 96,825,219,207.94
  5. Step 5: Solve for x
    x = 96,825,219,207.94/456,815.60
  6. Step 6: Final answer
    x = 211,956.90

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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.