Home / 218,716.03-299,859.62-214,730.20

Finding the Fourth Proportional to 218,716.03, 299,859.62 and 214,730.20

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Solution

The fourth proportional to 218,716.03, 299,859.62 and 214,730.20 is: 294,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,716.03 : 299,859.62 = 214,730.20 : x
  2. Step 2: Convert to fraction form
    218,716.03/299,859.62 = 214,730.20/x
  3. Step 3: Cross multiply
    218,716.03x = 299,859.62 × 214,730.20
  4. Step 4: Simplify right side
    218,716.03x = 64,388,916,174.52
  5. Step 5: Solve for x
    x = 64,388,916,174.52/218,716.03
  6. Step 6: Final answer
    x = 294,395.05

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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.