Home / 243,436.05-365,241.56-214,217.73

Finding the Fourth Proportional to 243,436.05, 365,241.56 and 214,217.73

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Solution

The fourth proportional to 243,436.05, 365,241.56 and 214,217.73 is: 321,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,436.05 : 365,241.56 = 214,217.73 : x
  2. Step 2: Convert to fraction form
    243,436.05/365,241.56 = 214,217.73/x
  3. Step 3: Cross multiply
    243,436.05x = 365,241.56 × 214,217.73
  4. Step 4: Simplify right side
    243,436.05x = 78,241,216,813.77
  5. Step 5: Solve for x
    x = 78,241,216,813.77/243,436.05
  6. Step 6: Final answer
    x = 321,403.58

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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.