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Finding the Fourth Proportional to 554,750.65, 765,553.30 and 300,099.61

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Solution

The fourth proportional to 554,750.65, 765,553.30 and 300,099.61 is: 414,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,750.65 : 765,553.30 = 300,099.61 : x
  2. Step 2: Convert to fraction form
    554,750.65/765,553.30 = 300,099.61/x
  3. Step 3: Cross multiply
    554,750.65x = 765,553.30 × 300,099.61
  4. Step 4: Simplify right side
    554,750.65x = 229,742,246,764.21
  5. Step 5: Solve for x
    x = 229,742,246,764.21/554,750.65
  6. Step 6: Final answer
    x = 414,136.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.