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Finding the Fourth Proportional to 306,504.54, 423,026.96 and 179,155.53

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Solution

The fourth proportional to 306,504.54, 423,026.96 and 179,155.53 is: 247,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,504.54 : 423,026.96 = 179,155.53 : x
  2. Step 2: Convert to fraction form
    306,504.54/423,026.96 = 179,155.53/x
  3. Step 3: Cross multiply
    306,504.54x = 423,026.96 × 179,155.53
  4. Step 4: Simplify right side
    306,504.54x = 75,787,618,327.31
  5. Step 5: Solve for x
    x = 75,787,618,327.31/306,504.54
  6. Step 6: Final answer
    x = 247,264.26

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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.