Home / 391,867.72-587,968.02-214,167.14

Finding the Fourth Proportional to 391,867.72, 587,968.02 and 214,167.14

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Solution

The fourth proportional to 391,867.72, 587,968.02 and 214,167.14 is: 321,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,867.72 : 587,968.02 = 214,167.14 : x
  2. Step 2: Convert to fraction form
    391,867.72/587,968.02 = 214,167.14/x
  3. Step 3: Cross multiply
    391,867.72x = 587,968.02 × 214,167.14
  4. Step 4: Simplify right side
    391,867.72x = 125,923,429,254.86
  5. Step 5: Solve for x
    x = 125,923,429,254.86/391,867.72
  6. Step 6: Final answer
    x = 321,341.67

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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.