Home / 230,259.42-317,755.91-128,283.03

Finding the Fourth Proportional to 230,259.42, 317,755.91 and 128,283.03

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Solution

The fourth proportional to 230,259.42, 317,755.91 and 128,283.03 is: 177,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,259.42 : 317,755.91 = 128,283.03 : x
  2. Step 2: Convert to fraction form
    230,259.42/317,755.91 = 128,283.03/x
  3. Step 3: Cross multiply
    230,259.42x = 317,755.91 × 128,283.03
  4. Step 4: Simplify right side
    230,259.42x = 40,762,691,255.91
  5. Step 5: Solve for x
    x = 40,762,691,255.91/230,259.42
  6. Step 6: Final answer
    x = 177,029.42

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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.