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Finding the Fourth Proportional to 368,174.40, 552,002.40 and 168,590.40

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Solution

The fourth proportional to 368,174.40, 552,002.40 and 168,590.40 is: 252,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,174.40 : 552,002.40 = 168,590.40 : x
  2. Step 2: Convert to fraction form
    368,174.40/552,002.40 = 168,590.40/x
  3. Step 3: Cross multiply
    368,174.40x = 552,002.40 × 168,590.40
  4. Step 4: Simplify right side
    368,174.40x = 93,062,305,416.96
  5. Step 5: Solve for x
    x = 93,062,305,416.96/368,174.40
  6. Step 6: Final answer
    x = 252,766.91

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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.