Home / 668,301.60-1,002,452.40-169,665.60

Finding the Fourth Proportional to 668,301.60, 1,002,452.40 and 169,665.60

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Solution

The fourth proportional to 668,301.60, 1,002,452.40 and 169,665.60 is: 254,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,301.60 : 1,002,452.40 = 169,665.60 : x
  2. Step 2: Convert to fraction form
    668,301.60/1,002,452.40 = 169,665.60/x
  3. Step 3: Cross multiply
    668,301.60x = 1,002,452.40 × 169,665.60
  4. Step 4: Simplify right side
    668,301.60x = 170,081,687,917.44
  5. Step 5: Solve for x
    x = 170,081,687,917.44/668,301.60
  6. Step 6: Final answer
    x = 254,498.40

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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.