Home / 306,743.15-423,195.98-177,611.13

Finding the Fourth Proportional to 306,743.15, 423,195.98 and 177,611.13

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Solution

The fourth proportional to 306,743.15, 423,195.98 and 177,611.13 is: 245,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,743.15 : 423,195.98 = 177,611.13 : x
  2. Step 2: Convert to fraction form
    306,743.15/423,195.98 = 177,611.13/x
  3. Step 3: Cross multiply
    306,743.15x = 423,195.98 × 177,611.13
  4. Step 4: Simplify right side
    306,743.15x = 75,164,315,331.20
  5. Step 5: Solve for x
    x = 75,164,315,331.20/306,743.15
  6. Step 6: Final answer
    x = 245,039.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.