Home / 295,637.29-407,979.38-159,671.20

Finding the Fourth Proportional to 295,637.29, 407,979.38 and 159,671.20

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Solution

The fourth proportional to 295,637.29, 407,979.38 and 159,671.20 is: 220,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,637.29 : 407,979.38 = 159,671.20 : x
  2. Step 2: Convert to fraction form
    295,637.29/407,979.38 = 159,671.20/x
  3. Step 3: Cross multiply
    295,637.29x = 407,979.38 × 159,671.20
  4. Step 4: Simplify right side
    295,637.29x = 65,142,557,324.05
  5. Step 5: Solve for x
    x = 65,142,557,324.05/295,637.29
  6. Step 6: Final answer
    x = 220,346.21

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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.