Home / 214,947.70-322,421.55-194,280.55

Finding the Fourth Proportional to 214,947.70, 322,421.55 and 194,280.55

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Solution

The fourth proportional to 214,947.70, 322,421.55 and 194,280.55 is: 291,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,947.70 : 322,421.55 = 194,280.55 : x
  2. Step 2: Convert to fraction form
    214,947.70/322,421.55 = 194,280.55/x
  3. Step 3: Cross multiply
    214,947.70x = 322,421.55 × 194,280.55
  4. Step 4: Simplify right side
    214,947.70x = 62,640,236,065.85
  5. Step 5: Solve for x
    x = 62,640,236,065.85/214,947.70
  6. Step 6: Final answer
    x = 291,420.83

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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.