Home / 419,229.46-578,535.78-228,241.18

Finding the Fourth Proportional to 419,229.46, 578,535.78 and 228,241.18

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Solution

The fourth proportional to 419,229.46, 578,535.78 and 228,241.18 is: 314,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,229.46 : 578,535.78 = 228,241.18 : x
  2. Step 2: Convert to fraction form
    419,229.46/578,535.78 = 228,241.18/x
  3. Step 3: Cross multiply
    419,229.46x = 578,535.78 × 228,241.18
  4. Step 4: Simplify right side
    419,229.46x = 132,045,689,099.42
  5. Step 5: Solve for x
    x = 132,045,689,099.42/419,229.46
  6. Step 6: Final answer
    x = 314,972.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.