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Finding the Fourth Proportional to 559,872.87, 839,954.09 and 160,542.87

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Solution

The fourth proportional to 559,872.87, 839,954.09 and 160,542.87 is: 240,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872.87 : 839,954.09 = 160,542.87 : x
  2. Step 2: Convert to fraction form
    559,872.87/839,954.09 = 160,542.87/x
  3. Step 3: Cross multiply
    559,872.87x = 839,954.09 × 160,542.87
  4. Step 4: Simplify right side
    559,872.87x = 134,848,640,276.84
  5. Step 5: Solve for x
    x = 134,848,640,276.84/559,872.87
  6. Step 6: Final answer
    x = 240,855.82

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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.