Home / 232,271.28-320,511.60-130,273.20

Finding the Fourth Proportional to 232,271.28, 320,511.60 and 130,273.20

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Solution

The fourth proportional to 232,271.28, 320,511.60 and 130,273.20 is: 179,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,271.28 : 320,511.60 = 130,273.20 : x
  2. Step 2: Convert to fraction form
    232,271.28/320,511.60 = 130,273.20/x
  3. Step 3: Cross multiply
    232,271.28x = 320,511.60 × 130,273.20
  4. Step 4: Simplify right side
    232,271.28x = 41,754,071,769.12
  5. Step 5: Solve for x
    x = 41,754,071,769.12/232,271.28
  6. Step 6: Final answer
    x = 179,764.25

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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.