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Finding the Fourth Proportional to 324,002.60, 486,003.90 and 164,570.30

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Solution

The fourth proportional to 324,002.60, 486,003.90 and 164,570.30 is: 246,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,002.60 : 486,003.90 = 164,570.30 : x
  2. Step 2: Convert to fraction form
    324,002.60/486,003.90 = 164,570.30/x
  3. Step 3: Cross multiply
    324,002.60x = 486,003.90 × 164,570.30
  4. Step 4: Simplify right side
    324,002.60x = 79,981,807,624.17
  5. Step 5: Solve for x
    x = 79,981,807,624.17/324,002.60
  6. Step 6: Final answer
    x = 246,855.45

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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.