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Finding the Fourth Proportional to 270,075.44, 372,704.82 and 149,220.20

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Solution

The fourth proportional to 270,075.44, 372,704.82 and 149,220.20 is: 205,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,075.44 : 372,704.82 = 149,220.20 : x
  2. Step 2: Convert to fraction form
    270,075.44/372,704.82 = 149,220.20/x
  3. Step 3: Cross multiply
    270,075.44x = 372,704.82 × 149,220.20
  4. Step 4: Simplify right side
    270,075.44x = 55,615,087,781.36
  5. Step 5: Solve for x
    x = 55,615,087,781.36/270,075.44
  6. Step 6: Final answer
    x = 205,924.27

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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.