Home / 445,848.90-667,631.54-245,947.10

Finding the Fourth Proportional to 445,848.90, 667,631.54 and 245,947.10

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Solution

The fourth proportional to 445,848.90, 667,631.54 and 245,947.10 is: 368,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,848.90 : 667,631.54 = 245,947.10 : x
  2. Step 2: Convert to fraction form
    445,848.90/667,631.54 = 245,947.10/x
  3. Step 3: Cross multiply
    445,848.90x = 667,631.54 × 245,947.10
  4. Step 4: Simplify right side
    445,848.90x = 164,202,041,131.53
  5. Step 5: Solve for x
    x = 164,202,041,131.53/445,848.90
  6. Step 6: Final answer
    x = 368,290.78

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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.