Home / 291,214.20-436,648.92-113,513.76

Finding the Fourth Proportional to 291,214.20, 436,648.92 and 113,513.76

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Solution

The fourth proportional to 291,214.20, 436,648.92 and 113,513.76 is: 170,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,214.20 : 436,648.92 = 113,513.76 : x
  2. Step 2: Convert to fraction form
    291,214.20/436,648.92 = 113,513.76/x
  3. Step 3: Cross multiply
    291,214.20x = 436,648.92 × 113,513.76
  4. Step 4: Simplify right side
    291,214.20x = 49,565,660,709.14
  5. Step 5: Solve for x
    x = 49,565,660,709.14/291,214.20
  6. Step 6: Final answer
    x = 170,203.45

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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.