Home / 270,052.87-372,661.53-155,322.85

Finding the Fourth Proportional to 270,052.87, 372,661.53 and 155,322.85

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Solution

The fourth proportional to 270,052.87, 372,661.53 and 155,322.85 is: 214,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,052.87 : 372,661.53 = 155,322.85 : x
  2. Step 2: Convert to fraction form
    270,052.87/372,661.53 = 155,322.85/x
  3. Step 3: Cross multiply
    270,052.87x = 372,661.53 × 155,322.85
  4. Step 4: Simplify right side
    270,052.87x = 57,882,850,924.96
  5. Step 5: Solve for x
    x = 57,882,850,924.96/270,052.87
  6. Step 6: Final answer
    x = 214,338.96

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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.