Home / 263,911.13-364,202.03-143,056.43

Finding the Fourth Proportional to 263,911.13, 364,202.03 and 143,056.43

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Solution

The fourth proportional to 263,911.13, 364,202.03 and 143,056.43 is: 197,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,911.13 : 364,202.03 = 143,056.43 : x
  2. Step 2: Convert to fraction form
    263,911.13/364,202.03 = 143,056.43/x
  3. Step 3: Cross multiply
    263,911.13x = 364,202.03 × 143,056.43
  4. Step 4: Simplify right side
    263,911.13x = 52,101,441,495.27
  5. Step 5: Solve for x
    x = 52,101,441,495.27/263,911.13
  6. Step 6: Final answer
    x = 197,420.40

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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.