Home / 353,308.15-487,554.96-200,360.71

Finding the Fourth Proportional to 353,308.15, 487,554.96 and 200,360.71

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Solution

The fourth proportional to 353,308.15, 487,554.96 and 200,360.71 is: 276,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,308.15 : 487,554.96 = 200,360.71 : x
  2. Step 2: Convert to fraction form
    353,308.15/487,554.96 = 200,360.71/x
  3. Step 3: Cross multiply
    353,308.15x = 487,554.96 × 200,360.71
  4. Step 4: Simplify right side
    353,308.15x = 97,686,857,949.62
  5. Step 5: Solve for x
    x = 97,686,857,949.62/353,308.15
  6. Step 6: Final answer
    x = 276,491.95

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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.