Home / 272,818.12-409,227.21-83,279.50

Finding the Fourth Proportional to 272,818.12, 409,227.21 and 83,279.50

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Solution

The fourth proportional to 272,818.12, 409,227.21 and 83,279.50 is: 124,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,818.12 : 409,227.21 = 83,279.50 : x
  2. Step 2: Convert to fraction form
    272,818.12/409,227.21 = 83,279.50/x
  3. Step 3: Cross multiply
    272,818.12x = 409,227.21 × 83,279.50
  4. Step 4: Simplify right side
    272,818.12x = 34,080,237,435.20
  5. Step 5: Solve for x
    x = 34,080,237,435.20/272,818.12
  6. Step 6: Final answer
    x = 124,919.26

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1.5x scale

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.