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Finding the Fourth Proportional to 165,674.79, 248,520.39 and 47,363.58

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Solution

The fourth proportional to 165,674.79, 248,520.39 and 47,363.58 is: 71,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,674.79 : 248,520.39 = 47,363.58 : x
  2. Step 2: Convert to fraction form
    165,674.79/248,520.39 = 47,363.58/x
  3. Step 3: Cross multiply
    165,674.79x = 248,520.39 × 47,363.58
  4. Step 4: Simplify right side
    165,674.79x = 11,770,815,373.40
  5. Step 5: Solve for x
    x = 11,770,815,373.40/165,674.79
  6. Step 6: Final answer
    x = 71,047.72

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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.