Home / 355,119.44-531,953.40-165,292.88

Finding the Fourth Proportional to 355,119.44, 531,953.40 and 165,292.88

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Solution

The fourth proportional to 355,119.44, 531,953.40 and 165,292.88 is: 247,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,119.44 : 531,953.40 = 165,292.88 : x
  2. Step 2: Convert to fraction form
    355,119.44/531,953.40 = 165,292.88/x
  3. Step 3: Cross multiply
    355,119.44x = 531,953.40 × 165,292.88
  4. Step 4: Simplify right side
    355,119.44x = 87,928,109,511.79
  5. Step 5: Solve for x
    x = 87,928,109,511.79/355,119.44
  6. Step 6: Final answer
    x = 247,601.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.