Home / 275,330.04-412,907.55-187,150.20

Finding the Fourth Proportional to 275,330.04, 412,907.55 and 187,150.20

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Solution

The fourth proportional to 275,330.04, 412,907.55 and 187,150.20 is: 280,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,330.04 : 412,907.55 = 187,150.20 : x
  2. Step 2: Convert to fraction form
    275,330.04/412,907.55 = 187,150.20/x
  3. Step 3: Cross multiply
    275,330.04x = 412,907.55 × 187,150.20
  4. Step 4: Simplify right side
    275,330.04x = 77,275,730,564.01
  5. Step 5: Solve for x
    x = 77,275,730,564.01/275,330.04
  6. Step 6: Final answer
    x = 280,665.82

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1.5x scale

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.