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Finding the Fourth Proportional to 559,349.79, 838,462.87 and 179,991.71

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Solution

The fourth proportional to 559,349.79, 838,462.87 and 179,991.71 is: 269,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,349.79 : 838,462.87 = 179,991.71 : x
  2. Step 2: Convert to fraction form
    559,349.79/838,462.87 = 179,991.71/x
  3. Step 3: Cross multiply
    559,349.79x = 838,462.87 × 179,991.71
  4. Step 4: Simplify right side
    559,349.79x = 150,916,365,742.81
  5. Step 5: Solve for x
    x = 150,916,365,742.81/559,349.79
  6. Step 6: Final answer
    x = 269,806.78

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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.