Home / 284,316.06-426,621.68-115,959.90

Finding the Fourth Proportional to 284,316.06, 426,621.68 and 115,959.90

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Solution

The fourth proportional to 284,316.06, 426,621.68 and 115,959.90 is: 174,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,316.06 : 426,621.68 = 115,959.90 : x
  2. Step 2: Convert to fraction form
    284,316.06/426,621.68 = 115,959.90/x
  3. Step 3: Cross multiply
    284,316.06x = 426,621.68 × 115,959.90
  4. Step 4: Simplify right side
    284,316.06x = 49,471,007,350.63
  5. Step 5: Solve for x
    x = 49,471,007,350.63/284,316.06
  6. Step 6: Final answer
    x = 174,000.05

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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.