Home / 240,622.88-331,298.72-211,922.24

Finding the Fourth Proportional to 240,622.88, 331,298.72 and 211,922.24

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Solution

The fourth proportional to 240,622.88, 331,298.72 and 211,922.24 is: 291,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,622.88 : 331,298.72 = 211,922.24 : x
  2. Step 2: Convert to fraction form
    240,622.88/331,298.72 = 211,922.24/x
  3. Step 3: Cross multiply
    240,622.88x = 331,298.72 × 211,922.24
  4. Step 4: Simplify right side
    240,622.88x = 70,209,566,851.53
  5. Step 5: Solve for x
    x = 70,209,566,851.53/240,622.88
  6. Step 6: Final answer
    x = 291,782.59

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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.