Home / 326,070.30-449,769.90-235,559.28

Finding the Fourth Proportional to 326,070.30, 449,769.90 and 235,559.28

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Solution

The fourth proportional to 326,070.30, 449,769.90 and 235,559.28 is: 324,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,070.30 : 449,769.90 = 235,559.28 : x
  2. Step 2: Convert to fraction form
    326,070.30/449,769.90 = 235,559.28/x
  3. Step 3: Cross multiply
    326,070.30x = 449,769.90 × 235,559.28
  4. Step 4: Simplify right side
    326,070.30x = 105,947,473,809.67
  5. Step 5: Solve for x
    x = 105,947,473,809.67/326,070.30
  6. Step 6: Final answer
    x = 324,922.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.