Home / 207,025.50-309,002.38-178,440.06

Finding the Fourth Proportional to 207,025.50, 309,002.38 and 178,440.06

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Solution

The fourth proportional to 207,025.50, 309,002.38 and 178,440.06 is: 266,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,025.50 : 309,002.38 = 178,440.06 : x
  2. Step 2: Convert to fraction form
    207,025.50/309,002.38 = 178,440.06/x
  3. Step 3: Cross multiply
    207,025.50x = 309,002.38 × 178,440.06
  4. Step 4: Simplify right side
    207,025.50x = 55,138,403,227.34
  5. Step 5: Solve for x
    x = 55,138,403,227.34/207,025.50
  6. Step 6: Final answer
    x = 266,336.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.