Home / 353,222.21-487,431.81-200,270.69

Finding the Fourth Proportional to 353,222.21, 487,431.81 and 200,270.69

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Solution

The fourth proportional to 353,222.21, 487,431.81 and 200,270.69 is: 276,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,222.21 : 487,431.81 = 200,270.69 : x
  2. Step 2: Convert to fraction form
    353,222.21/487,431.81 = 200,270.69/x
  3. Step 3: Cross multiply
    353,222.21x = 487,431.81 × 200,270.69
  4. Step 4: Simplify right side
    353,222.21x = 97,618,304,916.65
  5. Step 5: Solve for x
    x = 97,618,304,916.65/353,222.21
  6. Step 6: Final answer
    x = 276,365.14

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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.