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Finding the Fourth Proportional to 367,360.16, 550,514.48 and 209,262.08

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Solution

The fourth proportional to 367,360.16, 550,514.48 and 209,262.08 is: 313,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,360.16 : 550,514.48 = 209,262.08 : x
  2. Step 2: Convert to fraction form
    367,360.16/550,514.48 = 209,262.08/x
  3. Step 3: Cross multiply
    367,360.16x = 550,514.48 × 209,262.08
  4. Step 4: Simplify right side
    367,360.16x = 115,201,805,154.92
  5. Step 5: Solve for x
    x = 115,201,805,154.92/367,360.16
  6. Step 6: Final answer
    x = 313,593.63

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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.