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Finding the Fourth Proportional to 270,077.36, 372,687.60 and 149,217.36

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Solution

The fourth proportional to 270,077.36, 372,687.60 and 149,217.36 is: 205,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,077.36 : 372,687.60 = 149,217.36 : x
  2. Step 2: Convert to fraction form
    270,077.36/372,687.60 = 149,217.36/x
  3. Step 3: Cross multiply
    270,077.36x = 372,687.60 × 149,217.36
  4. Step 4: Simplify right side
    270,077.36x = 55,611,459,776.74
  5. Step 5: Solve for x
    x = 55,611,459,776.74/270,077.36
  6. Step 6: Final answer
    x = 205,909.37

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1.5x scale

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.