Home / 259,830.09-358,909.78-209,034.14

Finding the Fourth Proportional to 259,830.09, 358,909.78 and 209,034.14

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Solution

The fourth proportional to 259,830.09, 358,909.78 and 209,034.14 is: 288,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,830.09 : 358,909.78 = 209,034.14 : x
  2. Step 2: Convert to fraction form
    259,830.09/358,909.78 = 209,034.14/x
  3. Step 3: Cross multiply
    259,830.09x = 358,909.78 × 209,034.14
  4. Step 4: Simplify right side
    259,830.09x = 75,024,397,199.89
  5. Step 5: Solve for x
    x = 75,024,397,199.89/259,830.09
  6. Step 6: Final answer
    x = 288,744.07

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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.