Home / 204,334.40-306,501.60-147,909.80

Finding the Fourth Proportional to 204,334.40, 306,501.60 and 147,909.80

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Solution

The fourth proportional to 204,334.40, 306,501.60 and 147,909.80 is: 221,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,334.40 : 306,501.60 = 147,909.80 : x
  2. Step 2: Convert to fraction form
    204,334.40/306,501.60 = 147,909.80/x
  3. Step 3: Cross multiply
    204,334.40x = 306,501.60 × 147,909.80
  4. Step 4: Simplify right side
    204,334.40x = 45,334,590,355.68
  5. Step 5: Solve for x
    x = 45,334,590,355.68/204,334.40
  6. Step 6: Final answer
    x = 221,864.70

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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.