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Finding the Fourth Proportional to 275,759.92, 380,590.12 and 168,391.89

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Solution

The fourth proportional to 275,759.92, 380,590.12 and 168,391.89 is: 232,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,759.92 : 380,590.12 = 168,391.89 : x
  2. Step 2: Convert to fraction form
    275,759.92/380,590.12 = 168,391.89/x
  3. Step 3: Cross multiply
    275,759.92x = 380,590.12 × 168,391.89
  4. Step 4: Simplify right side
    275,759.92x = 64,088,286,877.22
  5. Step 5: Solve for x
    x = 64,088,286,877.22/275,759.92
  6. Step 6: Final answer
    x = 232,406.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.