Home / 348,217.16-479,315.61-305,094.98

Finding the Fourth Proportional to 348,217.16, 479,315.61 and 305,094.98

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Solution

The fourth proportional to 348,217.16, 479,315.61 and 305,094.98 is: 419,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,217.16 : 479,315.61 = 305,094.98 : x
  2. Step 2: Convert to fraction form
    348,217.16/479,315.61 = 305,094.98/x
  3. Step 3: Cross multiply
    348,217.16x = 479,315.61 × 305,094.98
  4. Step 4: Simplify right side
    348,217.16x = 146,236,787,644.93
  5. Step 5: Solve for x
    x = 146,236,787,644.93/348,217.16
  6. Step 6: Final answer
    x = 419,958.60

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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.