Home / 281,246.40-421,869.60-94,257.90

Finding the Fourth Proportional to 281,246.40, 421,869.60 and 94,257.90

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Solution

The fourth proportional to 281,246.40, 421,869.60 and 94,257.90 is: 141,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,246.40 : 421,869.60 = 94,257.90 : x
  2. Step 2: Convert to fraction form
    281,246.40/421,869.60 = 94,257.90/x
  3. Step 3: Cross multiply
    281,246.40x = 421,869.60 × 94,257.90
  4. Step 4: Simplify right side
    281,246.40x = 39,764,542,569.84
  5. Step 5: Solve for x
    x = 39,764,542,569.84/281,246.40
  6. Step 6: Final answer
    x = 141,386.85

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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.