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Finding the Fourth Proportional to 266,822.68, 400,287.56 and 98,343.84

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Solution

The fourth proportional to 266,822.68, 400,287.56 and 98,343.84 is: 147,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,822.68 : 400,287.56 = 98,343.84 : x
  2. Step 2: Convert to fraction form
    266,822.68/400,287.56 = 98,343.84/x
  3. Step 3: Cross multiply
    266,822.68x = 400,287.56 × 98,343.84
  4. Step 4: Simplify right side
    266,822.68x = 39,365,815,754.63
  5. Step 5: Solve for x
    x = 39,365,815,754.63/266,822.68
  6. Step 6: Final answer
    x = 147,535.49

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1.5x scale

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.