Home / 259,822.08-389,707.68-176,120

Finding the Fourth Proportional to 259,822.08, 389,707.68 and 176,120

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Solution

The fourth proportional to 259,822.08, 389,707.68 and 176,120 is: 264,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,822.08 : 389,707.68 = 176,120 : x
  2. Step 2: Convert to fraction form
    259,822.08/389,707.68 = 176,120/x
  3. Step 3: Cross multiply
    259,822.08x = 389,707.68 × 176,120
  4. Step 4: Simplify right side
    259,822.08x = 68,635,316,601.60
  5. Step 5: Solve for x
    x = 68,635,316,601.60/259,822.08
  6. Step 6: Final answer
    x = 264,162.76

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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.