Home / 291,284.48-436,925.85-131,172.96

Finding the Fourth Proportional to 291,284.48, 436,925.85 and 131,172.96

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Solution

The fourth proportional to 291,284.48, 436,925.85 and 131,172.96 is: 196,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,284.48 : 436,925.85 = 131,172.96 : x
  2. Step 2: Convert to fraction form
    291,284.48/436,925.85 = 131,172.96/x
  3. Step 3: Cross multiply
    291,284.48x = 436,925.85 × 131,172.96
  4. Step 4: Simplify right side
    291,284.48x = 57,312,855,119.45
  5. Step 5: Solve for x
    x = 57,312,855,119.45/291,284.48
  6. Step 6: Final answer
    x = 196,759.04

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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.