Home / 259,830.59-358,910.47-209,034.64

Finding the Fourth Proportional to 259,830.59, 358,910.47 and 209,034.64

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Solution

The fourth proportional to 259,830.59, 358,910.47 and 209,034.64 is: 288,744.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,830.59 : 358,910.47 = 209,034.64 : x
  2. Step 2: Convert to fraction form
    259,830.59/358,910.47 = 209,034.64/x
  3. Step 3: Cross multiply
    259,830.59x = 358,910.47 × 209,034.64
  4. Step 4: Simplify right side
    259,830.59x = 75,024,720,888.68
  5. Step 5: Solve for x
    x = 75,024,720,888.68/259,830.59
  6. Step 6: Final answer
    x = 288,744.76

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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.