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Finding the Fourth Proportional to 270,603, 373,426.54 and 149,744.20

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Solution

The fourth proportional to 270,603, 373,426.54 and 149,744.20 is: 206,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,603 : 373,426.54 = 149,744.20 : x
  2. Step 2: Convert to fraction form
    270,603/373,426.54 = 149,744.20/x
  3. Step 3: Cross multiply
    270,603x = 373,426.54 × 149,744.20
  4. Step 4: Simplify right side
    270,603x = 55,918,458,491.07
  5. Step 5: Solve for x
    x = 55,918,458,491.07/270,603
  6. Step 6: Final answer
    x = 206,643.90

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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.