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Finding the Fourth Proportional to 182,215.20, 273,066.80 and 144,839.20

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Solution

The fourth proportional to 182,215.20, 273,066.80 and 144,839.20 is: 217,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,215.20 : 273,066.80 = 144,839.20 : x
  2. Step 2: Convert to fraction form
    182,215.20/273,066.80 = 144,839.20/x
  3. Step 3: Cross multiply
    182,215.20x = 273,066.80 × 144,839.20
  4. Step 4: Simplify right side
    182,215.20x = 39,550,776,858.56
  5. Step 5: Solve for x
    x = 39,550,776,858.56/182,215.20
  6. Step 6: Final answer
    x = 217,055.31

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1.5x scale

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.