Home / 240,607.88-331,278.02-211,907.24

Finding the Fourth Proportional to 240,607.88, 331,278.02 and 211,907.24

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Solution

The fourth proportional to 240,607.88, 331,278.02 and 211,907.24 is: 291,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,607.88 : 331,278.02 = 211,907.24 : x
  2. Step 2: Convert to fraction form
    240,607.88/331,278.02 = 211,907.24/x
  3. Step 3: Cross multiply
    240,607.88x = 331,278.02 × 211,907.24
  4. Step 4: Simplify right side
    240,607.88x = 70,200,210,890.86
  5. Step 5: Solve for x
    x = 70,200,210,890.86/240,607.88
  6. Step 6: Final answer
    x = 291,761.89

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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.