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Finding the Fourth Proportional to 301,277.69, 451,919.12 and 76,638.34

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Solution

The fourth proportional to 301,277.69, 451,919.12 and 76,638.34 is: 114,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,277.69 : 451,919.12 = 76,638.34 : x
  2. Step 2: Convert to fraction form
    301,277.69/451,919.12 = 76,638.34/x
  3. Step 3: Cross multiply
    301,277.69x = 451,919.12 × 76,638.34
  4. Step 4: Simplify right side
    301,277.69x = 34,634,330,232.86
  5. Step 5: Solve for x
    x = 34,634,330,232.86/301,277.69
  6. Step 6: Final answer
    x = 114,958.17

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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.