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Finding the Fourth Proportional to 300,148.47, 450,539.87 and 293,371.83

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Solution

The fourth proportional to 300,148.47, 450,539.87 and 293,371.83 is: 440,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,148.47 : 450,539.87 = 293,371.83 : x
  2. Step 2: Convert to fraction form
    300,148.47/450,539.87 = 293,371.83/x
  3. Step 3: Cross multiply
    300,148.47x = 450,539.87 × 293,371.83
  4. Step 4: Simplify right side
    300,148.47x = 132,175,704,683.00
  5. Step 5: Solve for x
    x = 132,175,704,683.00/300,148.47
  6. Step 6: Final answer
    x = 440,367.74

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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.