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Finding the Fourth Proportional to 367,378.02, 550,541.25 and 209,279.79

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Solution

The fourth proportional to 367,378.02, 550,541.25 and 209,279.79 is: 313,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,378.02 : 550,541.25 = 209,279.79 : x
  2. Step 2: Convert to fraction form
    367,378.02/550,541.25 = 209,279.79/x
  3. Step 3: Cross multiply
    367,378.02x = 550,541.25 × 209,279.79
  4. Step 4: Simplify right side
    367,378.02x = 115,217,157,186.34
  5. Step 5: Solve for x
    x = 115,217,157,186.34/367,378.02
  6. Step 6: Final answer
    x = 313,620.17

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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.