Home / 404,864.61-606,935.97-205,082.16

Finding the Fourth Proportional to 404,864.61, 606,935.97 and 205,082.16

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Solution

The fourth proportional to 404,864.61, 606,935.97 and 205,082.16 is: 307,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,864.61 : 606,935.97 = 205,082.16 : x
  2. Step 2: Convert to fraction form
    404,864.61/606,935.97 = 205,082.16/x
  3. Step 3: Cross multiply
    404,864.61x = 606,935.97 × 205,082.16
  4. Step 4: Simplify right side
    404,864.61x = 124,471,737,433.29
  5. Step 5: Solve for x
    x = 124,471,737,433.29/404,864.61
  6. Step 6: Final answer
    x = 307,440.40

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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.