Home / 396,914.34-595,245.96-130,615.50

Finding the Fourth Proportional to 396,914.34, 595,245.96 and 130,615.50

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Solution

The fourth proportional to 396,914.34, 595,245.96 and 130,615.50 is: 195,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,914.34 : 595,245.96 = 130,615.50 : x
  2. Step 2: Convert to fraction form
    396,914.34/595,245.96 = 130,615.50/x
  3. Step 3: Cross multiply
    396,914.34x = 595,245.96 × 130,615.50
  4. Step 4: Simplify right side
    396,914.34x = 77,748,348,688.38
  5. Step 5: Solve for x
    x = 77,748,348,688.38/396,914.34
  6. Step 6: Final answer
    x = 195,881.93

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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.