Home / 379,100.07-568,459.94-126,291.67

Finding the Fourth Proportional to 379,100.07, 568,459.94 and 126,291.67

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Solution

The fourth proportional to 379,100.07, 568,459.94 and 126,291.67 is: 189,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,100.07 : 568,459.94 = 126,291.67 : x
  2. Step 2: Convert to fraction form
    379,100.07/568,459.94 = 126,291.67/x
  3. Step 3: Cross multiply
    379,100.07x = 568,459.94 × 126,291.67
  4. Step 4: Simplify right side
    379,100.07x = 71,791,755,150.70
  5. Step 5: Solve for x
    x = 71,791,755,150.70/379,100.07
  6. Step 6: Final answer
    x = 189,374.16

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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.