Home / 218,449.14-301,459.74-122,956.34

Finding the Fourth Proportional to 218,449.14, 301,459.74 and 122,956.34

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Solution

The fourth proportional to 218,449.14, 301,459.74 and 122,956.34 is: 169,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,449.14 : 301,459.74 = 122,956.34 : x
  2. Step 2: Convert to fraction form
    218,449.14/301,459.74 = 122,956.34/x
  3. Step 3: Cross multiply
    218,449.14x = 301,459.74 × 122,956.34
  4. Step 4: Simplify right side
    218,449.14x = 37,066,386,287.75
  5. Step 5: Solve for x
    x = 37,066,386,287.75/218,449.14
  6. Step 6: Final answer
    x = 169,679.71

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1.5x scale

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.