Home / 326,976.16-490,199.44-102,220.96

Finding the Fourth Proportional to 326,976.16, 490,199.44 and 102,220.96

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Solution

The fourth proportional to 326,976.16, 490,199.44 and 102,220.96 is: 153,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,976.16 : 490,199.44 = 102,220.96 : x
  2. Step 2: Convert to fraction form
    326,976.16/490,199.44 = 102,220.96/x
  3. Step 3: Cross multiply
    326,976.16x = 490,199.44 × 102,220.96
  4. Step 4: Simplify right side
    326,976.16x = 50,108,657,348.26
  5. Step 5: Solve for x
    x = 50,108,657,348.26/326,976.16
  6. Step 6: Final answer
    x = 153,248.66

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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.