Home / 428,246.18-591,257.04-275,353.04

Finding the Fourth Proportional to 428,246.18, 591,257.04 and 275,353.04

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Solution

The fourth proportional to 428,246.18, 591,257.04 and 275,353.04 is: 380,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,246.18 : 591,257.04 = 275,353.04 : x
  2. Step 2: Convert to fraction form
    428,246.18/591,257.04 = 275,353.04/x
  3. Step 3: Cross multiply
    428,246.18x = 591,257.04 × 275,353.04
  4. Step 4: Simplify right side
    428,246.18x = 162,804,423,385.40
  5. Step 5: Solve for x
    x = 162,804,423,385.40/428,246.18
  6. Step 6: Final answer
    x = 380,165.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.