Home / 214,811.10-322,216.65-121,499.10

Finding the Fourth Proportional to 214,811.10, 322,216.65 and 121,499.10

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Solution

The fourth proportional to 214,811.10, 322,216.65 and 121,499.10 is: 182,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,811.10 : 322,216.65 = 121,499.10 : x
  2. Step 2: Convert to fraction form
    214,811.10/322,216.65 = 121,499.10/x
  3. Step 3: Cross multiply
    214,811.10x = 322,216.65 × 121,499.10
  4. Step 4: Simplify right side
    214,811.10x = 39,149,032,980.02
  5. Step 5: Solve for x
    x = 39,149,032,980.02/214,811.10
  6. Step 6: Final answer
    x = 182,248.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.