Home / 218,715.03-299,858.25-214,729.20

Finding the Fourth Proportional to 218,715.03, 299,858.25 and 214,729.20

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Solution

The fourth proportional to 218,715.03, 299,858.25 and 214,729.20 is: 294,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,715.03 : 299,858.25 = 214,729.20 : x
  2. Step 2: Convert to fraction form
    218,715.03/299,858.25 = 214,729.20/x
  3. Step 3: Cross multiply
    218,715.03x = 299,858.25 × 214,729.20
  4. Step 4: Simplify right side
    218,715.03x = 64,388,322,135.90
  5. Step 5: Solve for x
    x = 64,388,322,135.90/218,715.03
  6. Step 6: Final answer
    x = 294,393.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.