Home / 275,552.18-412,943.31-148,919.42

Finding the Fourth Proportional to 275,552.18, 412,943.31 and 148,919.42

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Solution

The fourth proportional to 275,552.18, 412,943.31 and 148,919.42 is: 223,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,552.18 : 412,943.31 = 148,919.42 : x
  2. Step 2: Convert to fraction form
    275,552.18/412,943.31 = 148,919.42/x
  3. Step 3: Cross multiply
    275,552.18x = 412,943.31 × 148,919.42
  4. Step 4: Simplify right side
    275,552.18x = 61,495,276,153.36
  5. Step 5: Solve for x
    x = 61,495,276,153.36/275,552.18
  6. Step 6: Final answer
    x = 223,171.08

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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.