Home / 245,731.90-367,906.65-220,848.70

Finding the Fourth Proportional to 245,731.90, 367,906.65 and 220,848.70

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Solution

The fourth proportional to 245,731.90, 367,906.65 and 220,848.70 is: 330,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,731.90 : 367,906.65 = 220,848.70 : x
  2. Step 2: Convert to fraction form
    245,731.90/367,906.65 = 220,848.70/x
  3. Step 3: Cross multiply
    245,731.90x = 367,906.65 × 220,848.70
  4. Step 4: Simplify right side
    245,731.90x = 81,251,705,373.86
  5. Step 5: Solve for x
    x = 81,251,705,373.86/245,731.90
  6. Step 6: Final answer
    x = 330,651.84

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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.