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Finding the Fourth Proportional to 266,883.94, 400,346.38 and 77,346.88

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Solution

The fourth proportional to 266,883.94, 400,346.38 and 77,346.88 is: 116,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,883.94 : 400,346.38 = 77,346.88 : x
  2. Step 2: Convert to fraction form
    266,883.94/400,346.38 = 77,346.88/x
  3. Step 3: Cross multiply
    266,883.94x = 400,346.38 × 77,346.88
  4. Step 4: Simplify right side
    266,883.94x = 30,965,543,412.29
  5. Step 5: Solve for x
    x = 30,965,543,412.29/266,883.94
  6. Step 6: Final answer
    x = 116,026.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.