Home / 403,106.82-604,747.70-122,616.78

Finding the Fourth Proportional to 403,106.82, 604,747.70 and 122,616.78

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Solution

The fourth proportional to 403,106.82, 604,747.70 and 122,616.78 is: 183,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,106.82 : 604,747.70 = 122,616.78 : x
  2. Step 2: Convert to fraction form
    403,106.82/604,747.70 = 122,616.78/x
  3. Step 3: Cross multiply
    403,106.82x = 604,747.70 × 122,616.78
  4. Step 4: Simplify right side
    403,106.82x = 74,152,215,992.95
  5. Step 5: Solve for x
    x = 74,152,215,992.95/403,106.82
  6. Step 6: Final answer
    x = 183,951.78

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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.