Home / 326,982.77-489,764.33-158,149.05

Finding the Fourth Proportional to 326,982.77, 489,764.33 and 158,149.05

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Solution

The fourth proportional to 326,982.77, 489,764.33 and 158,149.05 is: 236,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,982.77 : 489,764.33 = 158,149.05 : x
  2. Step 2: Convert to fraction form
    326,982.77/489,764.33 = 158,149.05/x
  3. Step 3: Cross multiply
    326,982.77x = 489,764.33 × 158,149.05
  4. Step 4: Simplify right side
    326,982.77x = 77,455,762,722.64
  5. Step 5: Solve for x
    x = 77,455,762,722.64/326,982.77
  6. Step 6: Final answer
    x = 236,880.26

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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.