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Finding the Fourth Proportional to 559,808.10, 839,906.55 and 244,491.30

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Solution

The fourth proportional to 559,808.10, 839,906.55 and 244,491.30 is: 366,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,808.10 : 839,906.55 = 244,491.30 : x
  2. Step 2: Convert to fraction form
    559,808.10/839,906.55 = 244,491.30/x
  3. Step 3: Cross multiply
    559,808.10x = 839,906.55 × 244,491.30
  4. Step 4: Simplify right side
    559,808.10x = 205,349,844,288.02
  5. Step 5: Solve for x
    x = 205,349,844,288.02/559,808.10
  6. Step 6: Final answer
    x = 366,821.85

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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.