Home / 374,047.22-516,197.91-221,216.42

Finding the Fourth Proportional to 374,047.22, 516,197.91 and 221,216.42

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Solution

The fourth proportional to 374,047.22, 516,197.91 and 221,216.42 is: 305,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,047.22 : 516,197.91 = 221,216.42 : x
  2. Step 2: Convert to fraction form
    374,047.22/516,197.91 = 221,216.42/x
  3. Step 3: Cross multiply
    374,047.22x = 516,197.91 × 221,216.42
  4. Step 4: Simplify right side
    374,047.22x = 114,191,452,878.13
  5. Step 5: Solve for x
    x = 114,191,452,878.13/374,047.22
  6. Step 6: Final answer
    x = 305,286.20

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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.