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Finding the Fourth Proportional to 656,259.29, 984,410.13 and 206,984.42

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Solution

The fourth proportional to 656,259.29, 984,410.13 and 206,984.42 is: 310,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,259.29 : 984,410.13 = 206,984.42 : x
  2. Step 2: Convert to fraction form
    656,259.29/984,410.13 = 206,984.42/x
  3. Step 3: Cross multiply
    656,259.29x = 984,410.13 × 206,984.42
  4. Step 4: Simplify right side
    656,259.29x = 203,757,559,800.18
  5. Step 5: Solve for x
    x = 203,757,559,800.18/656,259.29
  6. Step 6: Final answer
    x = 310,483.31

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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.