Home / 214,938.70-322,408.05-194,271.55

Finding the Fourth Proportional to 214,938.70, 322,408.05 and 194,271.55

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Solution

The fourth proportional to 214,938.70, 322,408.05 and 194,271.55 is: 291,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,938.70 : 322,408.05 = 194,271.55 : x
  2. Step 2: Convert to fraction form
    214,938.70/322,408.05 = 194,271.55/x
  3. Step 3: Cross multiply
    214,938.70x = 322,408.05 × 194,271.55
  4. Step 4: Simplify right side
    214,938.70x = 62,634,711,605.98
  5. Step 5: Solve for x
    x = 62,634,711,605.98/214,938.70
  6. Step 6: Final answer
    x = 291,407.33

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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.