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Finding the Fourth Proportional to 307,066.72, 460,600.08 and 119,947

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Solution

The fourth proportional to 307,066.72, 460,600.08 and 119,947 is: 179,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,066.72 : 460,600.08 = 119,947 : x
  2. Step 2: Convert to fraction form
    307,066.72/460,600.08 = 119,947/x
  3. Step 3: Cross multiply
    307,066.72x = 460,600.08 × 119,947
  4. Step 4: Simplify right side
    307,066.72x = 55,247,597,795.76
  5. Step 5: Solve for x
    x = 55,247,597,795.76/307,066.72
  6. Step 6: Final answer
    x = 179,920.50

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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.