Home / 353,519.59-487,868.01-200,564.22

Finding the Fourth Proportional to 353,519.59, 487,868.01 and 200,564.22

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Solution

The fourth proportional to 353,519.59, 487,868.01 and 200,564.22 is: 276,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,519.59 : 487,868.01 = 200,564.22 : x
  2. Step 2: Convert to fraction form
    353,519.59/487,868.01 = 200,564.22/x
  3. Step 3: Cross multiply
    353,519.59x = 487,868.01 × 200,564.22
  4. Step 4: Simplify right side
    353,519.59x = 97,848,863,446.44
  5. Step 5: Solve for x
    x = 97,848,863,446.44/353,519.59
  6. Step 6: Final answer
    x = 276,784.84

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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.