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Finding the Fourth Proportional to 404,088, 606,156.30 and 123,607.68

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Solution

The fourth proportional to 404,088, 606,156.30 and 123,607.68 is: 185,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,088 : 606,156.30 = 123,607.68 : x
  2. Step 2: Convert to fraction form
    404,088/606,156.30 = 123,607.68/x
  3. Step 3: Cross multiply
    404,088x = 606,156.30 × 123,607.68
  4. Step 4: Simplify right side
    404,088x = 74,925,573,960.38
  5. Step 5: Solve for x
    x = 74,925,573,960.38/404,088
  6. Step 6: Final answer
    x = 185,418.95

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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.