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Finding the Fourth Proportional to 589,661.82, 884,487.87 and 168,938.10

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Solution

The fourth proportional to 589,661.82, 884,487.87 and 168,938.10 is: 253,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,661.82 : 884,487.87 = 168,938.10 : x
  2. Step 2: Convert to fraction form
    589,661.82/884,487.87 = 168,938.10/x
  3. Step 3: Cross multiply
    589,661.82x = 884,487.87 × 168,938.10
  4. Step 4: Simplify right side
    589,661.82x = 149,423,700,230.85
  5. Step 5: Solve for x
    x = 149,423,700,230.85/589,661.82
  6. Step 6: Final answer
    x = 253,405.76

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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.