Home / 230,249.03-317,753.46-128,274.43

Finding the Fourth Proportional to 230,249.03, 317,753.46 and 128,274.43

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Solution

The fourth proportional to 230,249.03, 317,753.46 and 128,274.43 is: 177,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,249.03 : 317,753.46 = 128,274.43 : x
  2. Step 2: Convert to fraction form
    230,249.03/317,753.46 = 128,274.43/x
  3. Step 3: Cross multiply
    230,249.03x = 317,753.46 × 128,274.43
  4. Step 4: Simplify right side
    230,249.03x = 40,759,643,167.64
  5. Step 5: Solve for x
    x = 40,759,643,167.64/230,249.03
  6. Step 6: Final answer
    x = 177,024.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.