Home / 347,736.60-521,702.10-170,249.40

Finding the Fourth Proportional to 347,736.60, 521,702.10 and 170,249.40

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Solution

The fourth proportional to 347,736.60, 521,702.10 and 170,249.40 is: 255,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736.60 : 521,702.10 = 170,249.40 : x
  2. Step 2: Convert to fraction form
    347,736.60/521,702.10 = 170,249.40/x
  3. Step 3: Cross multiply
    347,736.60x = 521,702.10 × 170,249.40
  4. Step 4: Simplify right side
    347,736.60x = 88,819,469,503.74
  5. Step 5: Solve for x
    x = 88,819,469,503.74/347,736.60
  6. Step 6: Final answer
    x = 255,421.69

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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.