Home / 303,308.61-454,923.27-90,072.17

Finding the Fourth Proportional to 303,308.61, 454,923.27 and 90,072.17

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Solution

The fourth proportional to 303,308.61, 454,923.27 and 90,072.17 is: 135,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,308.61 : 454,923.27 = 90,072.17 : x
  2. Step 2: Convert to fraction form
    303,308.61/454,923.27 = 90,072.17/x
  3. Step 3: Cross multiply
    303,308.61x = 454,923.27 × 90,072.17
  4. Step 4: Simplify right side
    303,308.61x = 40,975,923,837.78
  5. Step 5: Solve for x
    x = 40,975,923,837.78/303,308.61
  6. Step 6: Final answer
    x = 135,096.47

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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.