Home / 326,821.03-490,231.93-102,182.65

Finding the Fourth Proportional to 326,821.03, 490,231.93 and 102,182.65

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Solution

The fourth proportional to 326,821.03, 490,231.93 and 102,182.65 is: 153,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,821.03 : 490,231.93 = 102,182.65 : x
  2. Step 2: Convert to fraction form
    326,821.03/490,231.93 = 102,182.65/x
  3. Step 3: Cross multiply
    326,821.03x = 490,231.93 × 102,182.65
  4. Step 4: Simplify right side
    326,821.03x = 50,093,197,722.01
  5. Step 5: Solve for x
    x = 50,093,197,722.01/326,821.03
  6. Step 6: Final answer
    x = 153,274.10

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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.