Home / 307,856.20-461,006.70-202,102.60

Finding the Fourth Proportional to 307,856.20, 461,006.70 and 202,102.60

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Solution

The fourth proportional to 307,856.20, 461,006.70 and 202,102.60 is: 302,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,856.20 : 461,006.70 = 202,102.60 : x
  2. Step 2: Convert to fraction form
    307,856.20/461,006.70 = 202,102.60/x
  3. Step 3: Cross multiply
    307,856.20x = 461,006.70 × 202,102.60
  4. Step 4: Simplify right side
    307,856.20x = 93,170,652,687.42
  5. Step 5: Solve for x
    x = 93,170,652,687.42/307,856.20
  6. Step 6: Final answer
    x = 302,643.42

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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.