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Finding the Fourth Proportional to 404,736.44, 607,086.66 and 138,520.76

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Solution

The fourth proportional to 404,736.44, 607,086.66 and 138,520.76 is: 207,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,736.44 : 607,086.66 = 138,520.76 : x
  2. Step 2: Convert to fraction form
    404,736.44/607,086.66 = 138,520.76/x
  3. Step 3: Cross multiply
    404,736.44x = 607,086.66 × 138,520.76
  4. Step 4: Simplify right side
    404,736.44x = 84,094,105,529.06
  5. Step 5: Solve for x
    x = 84,094,105,529.06/404,736.44
  6. Step 6: Final answer
    x = 207,774.98

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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.