Home / 219,245.60-328,846.86-148,621.92

Finding the Fourth Proportional to 219,245.60, 328,846.86 and 148,621.92

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Solution

The fourth proportional to 219,245.60, 328,846.86 and 148,621.92 is: 222,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,245.60 : 328,846.86 = 148,621.92 : x
  2. Step 2: Convert to fraction form
    219,245.60/328,846.86 = 148,621.92/x
  3. Step 3: Cross multiply
    219,245.60x = 328,846.86 × 148,621.92
  4. Step 4: Simplify right side
    219,245.60x = 48,873,851,719.17
  5. Step 5: Solve for x
    x = 48,873,851,719.17/219,245.60
  6. Step 6: Final answer
    x = 222,918.28

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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.