Home / 353,299.12-487,538.73-192,154.31

Finding the Fourth Proportional to 353,299.12, 487,538.73 and 192,154.31

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Solution

The fourth proportional to 353,299.12, 487,538.73 and 192,154.31 is: 265,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,299.12 : 487,538.73 = 192,154.31 : x
  2. Step 2: Convert to fraction form
    353,299.12/487,538.73 = 192,154.31/x
  3. Step 3: Cross multiply
    353,299.12x = 487,538.73 × 192,154.31
  4. Step 4: Simplify right side
    353,299.12x = 93,682,667,652.00
  5. Step 5: Solve for x
    x = 93,682,667,652.00/353,299.12
  6. Step 6: Final answer
    x = 265,165.30

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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.