Home / 326,949.03-490,409.98-113,765.74

Finding the Fourth Proportional to 326,949.03, 490,409.98 and 113,765.74

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Solution

The fourth proportional to 326,949.03, 490,409.98 and 113,765.74 is: 170,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,949.03 : 490,409.98 = 113,765.74 : x
  2. Step 2: Convert to fraction form
    326,949.03/490,409.98 = 113,765.74/x
  3. Step 3: Cross multiply
    326,949.03x = 490,409.98 × 113,765.74
  4. Step 4: Simplify right side
    326,949.03x = 55,791,852,767.65
  5. Step 5: Solve for x
    x = 55,791,852,767.65/326,949.03
  6. Step 6: Final answer
    x = 170,643.89

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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.