Home / 349,216.08-481,921.56-198,314.16

Finding the Fourth Proportional to 349,216.08, 481,921.56 and 198,314.16

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Solution

The fourth proportional to 349,216.08, 481,921.56 and 198,314.16 is: 273,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,216.08 : 481,921.56 = 198,314.16 : x
  2. Step 2: Convert to fraction form
    349,216.08/481,921.56 = 198,314.16/x
  3. Step 3: Cross multiply
    349,216.08x = 481,921.56 × 198,314.16
  4. Step 4: Simplify right side
    349,216.08x = 95,571,869,357.29
  5. Step 5: Solve for x
    x = 95,571,869,357.29/349,216.08
  6. Step 6: Final answer
    x = 273,675.45

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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.