Home / 418,815.30-627,530.40-241,012.20

Finding the Fourth Proportional to 418,815.30, 627,530.40 and 241,012.20

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Solution

The fourth proportional to 418,815.30, 627,530.40 and 241,012.20 is: 361,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,815.30 : 627,530.40 = 241,012.20 : x
  2. Step 2: Convert to fraction form
    418,815.30/627,530.40 = 241,012.20/x
  3. Step 3: Cross multiply
    418,815.30x = 627,530.40 × 241,012.20
  4. Step 4: Simplify right side
    418,815.30x = 151,242,482,270.88
  5. Step 5: Solve for x
    x = 151,242,482,270.88/418,815.30
  6. Step 6: Final answer
    x = 361,119.76

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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.