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Finding the Fourth Proportional to 367,732.40, 551,206.20 and 209,620.40

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Solution

The fourth proportional to 367,732.40, 551,206.20 and 209,620.40 is: 314,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,732.40 : 551,206.20 = 209,620.40 : x
  2. Step 2: Convert to fraction form
    367,732.40/551,206.20 = 209,620.40/x
  3. Step 3: Cross multiply
    367,732.40x = 551,206.20 × 209,620.40
  4. Step 4: Simplify right side
    367,732.40x = 115,544,064,126.48
  5. Step 5: Solve for x
    x = 115,544,064,126.48/367,732.40
  6. Step 6: Final answer
    x = 314,206.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.