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Finding the Fourth Proportional to 453,026.39, 679,523.85 and 116,069.84

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Solution

The fourth proportional to 453,026.39, 679,523.85 and 116,069.84 is: 174,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,026.39 : 679,523.85 = 116,069.84 : x
  2. Step 2: Convert to fraction form
    453,026.39/679,523.85 = 116,069.84/x
  3. Step 3: Cross multiply
    453,026.39x = 679,523.85 × 116,069.84
  4. Step 4: Simplify right side
    453,026.39x = 78,872,221,148.06
  5. Step 5: Solve for x
    x = 78,872,221,148.06/453,026.39
  6. Step 6: Final answer
    x = 174,100.72

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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.