Home / 291,300.04-436,949.86-80,937.88

Finding the Fourth Proportional to 291,300.04, 436,949.86 and 80,937.88

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Solution

The fourth proportional to 291,300.04, 436,949.86 and 80,937.88 is: 121,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,300.04 : 436,949.86 = 80,937.88 : x
  2. Step 2: Convert to fraction form
    291,300.04/436,949.86 = 80,937.88/x
  3. Step 3: Cross multiply
    291,300.04x = 436,949.86 × 80,937.88
  4. Step 4: Simplify right side
    291,300.04x = 35,365,795,334.70
  5. Step 5: Solve for x
    x = 35,365,795,334.70/291,300.04
  6. Step 6: Final answer
    x = 121,406.76

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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.