Home / 361,961.25-499,506.93-211,087.41

Finding the Fourth Proportional to 361,961.25, 499,506.93 and 211,087.41

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Solution

The fourth proportional to 361,961.25, 499,506.93 and 211,087.41 is: 291,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,961.25 : 499,506.93 = 211,087.41 : x
  2. Step 2: Convert to fraction form
    361,961.25/499,506.93 = 211,087.41/x
  3. Step 3: Cross multiply
    361,961.25x = 499,506.93 × 211,087.41
  4. Step 4: Simplify right side
    361,961.25x = 105,439,624,130.75
  5. Step 5: Solve for x
    x = 105,439,624,130.75/361,961.25
  6. Step 6: Final answer
    x = 291,300.86

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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.