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Finding the Fourth Proportional to 453,681.64, 680,522.46 and 121,249

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Solution

The fourth proportional to 453,681.64, 680,522.46 and 121,249 is: 181,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,681.64 : 680,522.46 = 121,249 : x
  2. Step 2: Convert to fraction form
    453,681.64/680,522.46 = 121,249/x
  3. Step 3: Cross multiply
    453,681.64x = 680,522.46 × 121,249
  4. Step 4: Simplify right side
    453,681.64x = 82,512,667,752.54
  5. Step 5: Solve for x
    x = 82,512,667,752.54/453,681.64
  6. Step 6: Final answer
    x = 181,873.50

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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.