Home / 302,979.25-454,480.37-113,419.68

Finding the Fourth Proportional to 302,979.25, 454,480.37 and 113,419.68

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Solution

The fourth proportional to 302,979.25, 454,480.37 and 113,419.68 is: 170,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,979.25 : 454,480.37 = 113,419.68 : x
  2. Step 2: Convert to fraction form
    302,979.25/454,480.37 = 113,419.68/x
  3. Step 3: Cross multiply
    302,979.25x = 454,480.37 × 113,419.68
  4. Step 4: Simplify right side
    302,979.25x = 51,547,016,285.61
  5. Step 5: Solve for x
    x = 51,547,016,285.61/302,979.25
  6. Step 6: Final answer
    x = 170,133.82

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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.