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Finding the Fourth Proportional to 301,068.72, 451,530 and 101,337.12

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Solution

The fourth proportional to 301,068.72, 451,530 and 101,337.12 is: 151,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,068.72 : 451,530 = 101,337.12 : x
  2. Step 2: Convert to fraction form
    301,068.72/451,530 = 101,337.12/x
  3. Step 3: Cross multiply
    301,068.72x = 451,530 × 101,337.12
  4. Step 4: Simplify right side
    301,068.72x = 45,756,749,793.60
  5. Step 5: Solve for x
    x = 45,756,749,793.60/301,068.72
  6. Step 6: Final answer
    x = 151,981.08

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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.