Home / 394,814.10-544,829-225,015.42

Finding the Fourth Proportional to 394,814.10, 544,829 and 225,015.42

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Solution

The fourth proportional to 394,814.10, 544,829 and 225,015.42 is: 310,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,814.10 : 544,829 = 225,015.42 : x
  2. Step 2: Convert to fraction form
    394,814.10/544,829 = 225,015.42/x
  3. Step 3: Cross multiply
    394,814.10x = 544,829 × 225,015.42
  4. Step 4: Simplify right side
    394,814.10x = 122,594,926,263.18
  5. Step 5: Solve for x
    x = 122,594,926,263.18/394,814.10
  6. Step 6: Final answer
    x = 310,513.04

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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.