Home / 226,729.95-340,708.74-121,624.35

Finding the Fourth Proportional to 226,729.95, 340,708.74 and 121,624.35

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Solution

The fourth proportional to 226,729.95, 340,708.74 and 121,624.35 is: 182,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,729.95 : 340,708.74 = 121,624.35 : x
  2. Step 2: Convert to fraction form
    226,729.95/340,708.74 = 121,624.35/x
  3. Step 3: Cross multiply
    226,729.95x = 340,708.74 × 121,624.35
  4. Step 4: Simplify right side
    226,729.95x = 41,438,479,041.82
  5. Step 5: Solve for x
    x = 41,438,479,041.82/226,729.95
  6. Step 6: Final answer
    x = 182,765.79

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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.