Home / 326,885.52-490,079.04-169,013.28

Finding the Fourth Proportional to 326,885.52, 490,079.04 and 169,013.28

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Solution

The fourth proportional to 326,885.52, 490,079.04 and 169,013.28 is: 253,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,885.52 : 490,079.04 = 169,013.28 : x
  2. Step 2: Convert to fraction form
    326,885.52/490,079.04 = 169,013.28/x
  3. Step 3: Cross multiply
    326,885.52x = 490,079.04 × 169,013.28
  4. Step 4: Simplify right side
    326,885.52x = 82,829,866,009.65
  5. Step 5: Solve for x
    x = 82,829,866,009.65/326,885.52
  6. Step 6: Final answer
    x = 253,391.05

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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.