Home / 831,126.68-1,246,690.37-200,040.50

Finding the Fourth Proportional to 831,126.68, 1,246,690.37 and 200,040.50

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Solution

The fourth proportional to 831,126.68, 1,246,690.37 and 200,040.50 is: 300,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,126.68 : 1,246,690.37 = 200,040.50 : x
  2. Step 2: Convert to fraction form
    831,126.68/1,246,690.37 = 200,040.50/x
  3. Step 3: Cross multiply
    831,126.68x = 1,246,690.37 × 200,040.50
  4. Step 4: Simplify right side
    831,126.68x = 249,388,564,959.99
  5. Step 5: Solve for x
    x = 249,388,564,959.99/831,126.68
  6. Step 6: Final answer
    x = 300,060.83

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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.