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Finding the Fourth Proportional to 559,660.20, 839,393.10 and 204,491.40

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Solution

The fourth proportional to 559,660.20, 839,393.10 and 204,491.40 is: 306,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,660.20 : 839,393.10 = 204,491.40 : x
  2. Step 2: Convert to fraction form
    559,660.20/839,393.10 = 204,491.40/x
  3. Step 3: Cross multiply
    559,660.20x = 839,393.10 × 204,491.40
  4. Step 4: Simplify right side
    559,660.20x = 171,648,670,169.34
  5. Step 5: Solve for x
    x = 171,648,670,169.34/559,660.20
  6. Step 6: Final answer
    x = 306,701.58

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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.