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Finding the Fourth Proportional to 453,882.80, 680,824.20 and 121,458.80

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Solution

The fourth proportional to 453,882.80, 680,824.20 and 121,458.80 is: 182,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,882.80 : 680,824.20 = 121,458.80 : x
  2. Step 2: Convert to fraction form
    453,882.80/680,824.20 = 121,458.80/x
  3. Step 3: Cross multiply
    453,882.80x = 680,824.20 × 121,458.80
  4. Step 4: Simplify right side
    453,882.80x = 82,692,090,342.96
  5. Step 5: Solve for x
    x = 82,692,090,342.96/453,882.80
  6. Step 6: Final answer
    x = 182,188.20

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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.