Home / 302,588.20-453,882.30-80,972.20

Finding the Fourth Proportional to 302,588.20, 453,882.30 and 80,972.20

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Solution

The fourth proportional to 302,588.20, 453,882.30 and 80,972.20 is: 121,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,588.20 : 453,882.30 = 80,972.20 : x
  2. Step 2: Convert to fraction form
    302,588.20/453,882.30 = 80,972.20/x
  3. Step 3: Cross multiply
    302,588.20x = 453,882.30 × 80,972.20
  4. Step 4: Simplify right side
    302,588.20x = 36,751,848,372.06
  5. Step 5: Solve for x
    x = 36,751,848,372.06/302,588.20
  6. Step 6: Final answer
    x = 121,458.30

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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.