Home / 259,837.16-389,730.20-176,135

Finding the Fourth Proportional to 259,837.16, 389,730.20 and 176,135

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Solution

The fourth proportional to 259,837.16, 389,730.20 and 176,135 is: 264,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,837.16 : 389,730.20 = 176,135 : x
  2. Step 2: Convert to fraction form
    259,837.16/389,730.20 = 176,135/x
  3. Step 3: Cross multiply
    259,837.16x = 389,730.20 × 176,135
  4. Step 4: Simplify right side
    259,837.16x = 68,645,128,777
  5. Step 5: Solve for x
    x = 68,645,128,777/259,837.16
  6. Step 6: Final answer
    x = 264,185.19

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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.