Home / 205,327.60-307,991.40-168,002.80

Finding the Fourth Proportional to 205,327.60, 307,991.40 and 168,002.80

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Solution

The fourth proportional to 205,327.60, 307,991.40 and 168,002.80 is: 252,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,327.60 : 307,991.40 = 168,002.80 : x
  2. Step 2: Convert to fraction form
    205,327.60/307,991.40 = 168,002.80/x
  3. Step 3: Cross multiply
    205,327.60x = 307,991.40 × 168,002.80
  4. Step 4: Simplify right side
    205,327.60x = 51,743,417,575.92
  5. Step 5: Solve for x
    x = 51,743,417,575.92/205,327.60
  6. Step 6: Final answer
    x = 252,004.20

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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.