Home / 345,282.84-476,514.24-209,322.52

Finding the Fourth Proportional to 345,282.84, 476,514.24 and 209,322.52

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Solution

The fourth proportional to 345,282.84, 476,514.24 and 209,322.52 is: 288,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,282.84 : 476,514.24 = 209,322.52 : x
  2. Step 2: Convert to fraction form
    345,282.84/476,514.24 = 209,322.52/x
  3. Step 3: Cross multiply
    345,282.84x = 476,514.24 × 209,322.52
  4. Step 4: Simplify right side
    345,282.84x = 99,745,161,532.68
  5. Step 5: Solve for x
    x = 99,745,161,532.68/345,282.84
  6. Step 6: Final answer
    x = 288,879.58

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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.