Home / 345,281.31-476,501.45-200,092.05

Finding the Fourth Proportional to 345,281.31, 476,501.45 and 200,092.05

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Solution

The fourth proportional to 345,281.31, 476,501.45 and 200,092.05 is: 276,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,281.31 : 476,501.45 = 200,092.05 : x
  2. Step 2: Convert to fraction form
    345,281.31/476,501.45 = 200,092.05/x
  3. Step 3: Cross multiply
    345,281.31x = 476,501.45 × 200,092.05
  4. Step 4: Simplify right side
    345,281.31x = 95,344,150,958.01
  5. Step 5: Solve for x
    x = 95,344,150,958.01/345,281.31
  6. Step 6: Final answer
    x = 276,134.70

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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.