Home / 326,145.12-449,889.12-205,094.40

Finding the Fourth Proportional to 326,145.12, 449,889.12 and 205,094.40

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Solution

The fourth proportional to 326,145.12, 449,889.12 and 205,094.40 is: 282,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,145.12 : 449,889.12 = 205,094.40 : x
  2. Step 2: Convert to fraction form
    326,145.12/449,889.12 = 205,094.40/x
  3. Step 3: Cross multiply
    326,145.12x = 449,889.12 × 205,094.40
  4. Step 4: Simplify right side
    326,145.12x = 92,269,739,132.93
  5. Step 5: Solve for x
    x = 92,269,739,132.93/326,145.12
  6. Step 6: Final answer
    x = 282,910.07

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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.