Home / 215,999.40-324,096.30-97,609.80

Finding the Fourth Proportional to 215,999.40, 324,096.30 and 97,609.80

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Solution

The fourth proportional to 215,999.40, 324,096.30 and 97,609.80 is: 146,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,999.40 : 324,096.30 = 97,609.80 : x
  2. Step 2: Convert to fraction form
    215,999.40/324,096.30 = 97,609.80/x
  3. Step 3: Cross multiply
    215,999.40x = 324,096.30 × 97,609.80
  4. Step 4: Simplify right side
    215,999.40x = 31,634,975,023.74
  5. Step 5: Solve for x
    x = 31,634,975,023.74/215,999.40
  6. Step 6: Final answer
    x = 146,458.62

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1.5x scale

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.