Home / 330,345.59-455,869.27-192,515.73

Finding the Fourth Proportional to 330,345.59, 455,869.27 and 192,515.73

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Solution

The fourth proportional to 330,345.59, 455,869.27 and 192,515.73 is: 265,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,345.59 : 455,869.27 = 192,515.73 : x
  2. Step 2: Convert to fraction form
    330,345.59/455,869.27 = 192,515.73/x
  3. Step 3: Cross multiply
    330,345.59x = 455,869.27 × 192,515.73
  4. Step 4: Simplify right side
    330,345.59x = 87,762,004,336.04
  5. Step 5: Solve for x
    x = 87,762,004,336.04/330,345.59
  6. Step 6: Final answer
    x = 265,667.25

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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.