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Finding the Fourth Proportional to 302,546.40, 453,819.60 and 218,565.60

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Solution

The fourth proportional to 302,546.40, 453,819.60 and 218,565.60 is: 327,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,546.40 : 453,819.60 = 218,565.60 : x
  2. Step 2: Convert to fraction form
    302,546.40/453,819.60 = 218,565.60/x
  3. Step 3: Cross multiply
    302,546.40x = 453,819.60 × 218,565.60
  4. Step 4: Simplify right side
    302,546.40x = 99,189,353,165.76
  5. Step 5: Solve for x
    x = 99,189,353,165.76/302,546.40
  6. Step 6: Final answer
    x = 327,848.40

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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.