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Finding the Fourth Proportional to 218,353.77, 327,530.79 and 60,582.42

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Solution

The fourth proportional to 218,353.77, 327,530.79 and 60,582.42 is: 90,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,353.77 : 327,530.79 = 60,582.42 : x
  2. Step 2: Convert to fraction form
    218,353.77/327,530.79 = 60,582.42/x
  3. Step 3: Cross multiply
    218,353.77x = 327,530.79 × 60,582.42
  4. Step 4: Simplify right side
    218,353.77x = 19,842,607,882.71
  5. Step 5: Solve for x
    x = 19,842,607,882.71/218,353.77
  6. Step 6: Final answer
    x = 90,873.67

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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.