Home / 403,236.56-556,462.02-221,944.58

Finding the Fourth Proportional to 403,236.56, 556,462.02 and 221,944.58

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Solution

The fourth proportional to 403,236.56, 556,462.02 and 221,944.58 is: 306,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,236.56 : 556,462.02 = 221,944.58 : x
  2. Step 2: Convert to fraction form
    403,236.56/556,462.02 = 221,944.58/x
  3. Step 3: Cross multiply
    403,236.56x = 556,462.02 × 221,944.58
  4. Step 4: Simplify right side
    403,236.56x = 123,503,729,314.85
  5. Step 5: Solve for x
    x = 123,503,729,314.85/403,236.56
  6. Step 6: Final answer
    x = 306,281.08

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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.