Home / 326,819.03-490,228.93-102,180.65

Finding the Fourth Proportional to 326,819.03, 490,228.93 and 102,180.65

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Solution

The fourth proportional to 326,819.03, 490,228.93 and 102,180.65 is: 153,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,819.03 : 490,228.93 = 102,180.65 : x
  2. Step 2: Convert to fraction form
    326,819.03/490,228.93 = 102,180.65/x
  3. Step 3: Cross multiply
    326,819.03x = 490,228.93 × 102,180.65
  4. Step 4: Simplify right side
    326,819.03x = 50,091,908,265.06
  5. Step 5: Solve for x
    x = 50,091,908,265.06/326,819.03
  6. Step 6: Final answer
    x = 153,271.09

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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.