Home / 205,529.40-308,294.10-149,104.80

Finding the Fourth Proportional to 205,529.40, 308,294.10 and 149,104.80

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Solution

The fourth proportional to 205,529.40, 308,294.10 and 149,104.80 is: 223,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,529.40 : 308,294.10 = 149,104.80 : x
  2. Step 2: Convert to fraction form
    205,529.40/308,294.10 = 149,104.80/x
  3. Step 3: Cross multiply
    205,529.40x = 308,294.10 × 149,104.80
  4. Step 4: Simplify right side
    205,529.40x = 45,968,130,121.68
  5. Step 5: Solve for x
    x = 45,968,130,121.68/205,529.40
  6. Step 6: Final answer
    x = 223,657.20

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1.5x scale

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.