Home / 290,922.38-436,379.18-130,885.29

Finding the Fourth Proportional to 290,922.38, 436,379.18 and 130,885.29

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Solution

The fourth proportional to 290,922.38, 436,379.18 and 130,885.29 is: 196,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,922.38 : 436,379.18 = 130,885.29 : x
  2. Step 2: Convert to fraction form
    290,922.38/436,379.18 = 130,885.29/x
  3. Step 3: Cross multiply
    290,922.38x = 436,379.18 × 130,885.29
  4. Step 4: Simplify right side
    290,922.38x = 57,115,615,524.26
  5. Step 5: Solve for x
    x = 57,115,615,524.26/290,922.38
  6. Step 6: Final answer
    x = 196,325.96

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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.