Home / 290,827.28-436,156.62-113,294.72

Finding the Fourth Proportional to 290,827.28, 436,156.62 and 113,294.72

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Solution

The fourth proportional to 290,827.28, 436,156.62 and 113,294.72 is: 169,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,827.28 : 436,156.62 = 113,294.72 : x
  2. Step 2: Convert to fraction form
    290,827.28/436,156.62 = 113,294.72/x
  3. Step 3: Cross multiply
    290,827.28x = 436,156.62 × 113,294.72
  4. Step 4: Simplify right side
    290,827.28x = 49,414,242,139.05
  5. Step 5: Solve for x
    x = 49,414,242,139.05/290,827.28
  6. Step 6: Final answer
    x = 169,909.24

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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.