Home / 351,022.70-526,056.87-148,450.40

Finding the Fourth Proportional to 351,022.70, 526,056.87 and 148,450.40

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Solution

The fourth proportional to 351,022.70, 526,056.87 and 148,450.40 is: 222,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,022.70 : 526,056.87 = 148,450.40 : x
  2. Step 2: Convert to fraction form
    351,022.70/526,056.87 = 148,450.40/x
  3. Step 3: Cross multiply
    351,022.70x = 526,056.87 × 148,450.40
  4. Step 4: Simplify right side
    351,022.70x = 78,093,352,774.25
  5. Step 5: Solve for x
    x = 78,093,352,774.25/351,022.70
  6. Step 6: Final answer
    x = 222,473.80

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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.