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Finding the Fourth Proportional to 453,512.64, 679,849.20 and 200,659.08

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Solution

The fourth proportional to 453,512.64, 679,849.20 and 200,659.08 is: 300,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,512.64 : 679,849.20 = 200,659.08 : x
  2. Step 2: Convert to fraction form
    453,512.64/679,849.20 = 200,659.08/x
  3. Step 3: Cross multiply
    453,512.64x = 679,849.20 × 200,659.08
  4. Step 4: Simplify right side
    453,512.64x = 136,417,915,010.74
  5. Step 5: Solve for x
    x = 136,417,915,010.74/453,512.64
  6. Step 6: Final answer
    x = 300,802.89

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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.