Home / 305,446.28-457,985.34-136,936.13

Finding the Fourth Proportional to 305,446.28, 457,985.34 and 136,936.13

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Solution

The fourth proportional to 305,446.28, 457,985.34 and 136,936.13 is: 205,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,446.28 : 457,985.34 = 136,936.13 : x
  2. Step 2: Convert to fraction form
    305,446.28/457,985.34 = 136,936.13/x
  3. Step 3: Cross multiply
    305,446.28x = 457,985.34 × 136,936.13
  4. Step 4: Simplify right side
    305,446.28x = 62,714,737,766.41
  5. Step 5: Solve for x
    x = 62,714,737,766.41/305,446.28
  6. Step 6: Final answer
    x = 205,321.67

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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.