Home / 306,982.41-423,636.39-177,945.77

Finding the Fourth Proportional to 306,982.41, 423,636.39 and 177,945.77

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Solution

The fourth proportional to 306,982.41, 423,636.39 and 177,945.77 is: 245,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,982.41 : 423,636.39 = 177,945.77 : x
  2. Step 2: Convert to fraction form
    306,982.41/423,636.39 = 177,945.77/x
  3. Step 3: Cross multiply
    306,982.41x = 423,636.39 × 177,945.77
  4. Step 4: Simplify right side
    306,982.41x = 75,384,303,618.57
  5. Step 5: Solve for x
    x = 75,384,303,618.57/306,982.41
  6. Step 6: Final answer
    x = 245,565.55

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1.5x scale

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.