Home / 351,331.80-526,997.70-225,360.60

Finding the Fourth Proportional to 351,331.80, 526,997.70 and 225,360.60

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Solution

The fourth proportional to 351,331.80, 526,997.70 and 225,360.60 is: 338,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,331.80 : 526,997.70 = 225,360.60 : x
  2. Step 2: Convert to fraction form
    351,331.80/526,997.70 = 225,360.60/x
  3. Step 3: Cross multiply
    351,331.80x = 526,997.70 × 225,360.60
  4. Step 4: Simplify right side
    351,331.80x = 118,764,517,870.62
  5. Step 5: Solve for x
    x = 118,764,517,870.62/351,331.80
  6. Step 6: Final answer
    x = 338,040.90

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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.