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Finding the Fourth Proportional to 353,514.52, 487,882.50 and 200,602.60

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Solution

The fourth proportional to 353,514.52, 487,882.50 and 200,602.60 is: 276,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,514.52 : 487,882.50 = 200,602.60 : x
  2. Step 2: Convert to fraction form
    353,514.52/487,882.50 = 200,602.60/x
  3. Step 3: Cross multiply
    353,514.52x = 487,882.50 × 200,602.60
  4. Step 4: Simplify right side
    353,514.52x = 97,870,497,994.50
  5. Step 5: Solve for x
    x = 97,870,497,994.50/353,514.52
  6. Step 6: Final answer
    x = 276,850.01

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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.