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Finding the Fourth Proportional to 307,109.92, 460,667.76 and 300,578.08

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Solution

The fourth proportional to 307,109.92, 460,667.76 and 300,578.08 is: 450,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,109.92 : 460,667.76 = 300,578.08 : x
  2. Step 2: Convert to fraction form
    307,109.92/460,667.76 = 300,578.08/x
  3. Step 3: Cross multiply
    307,109.92x = 460,667.76 × 300,578.08
  4. Step 4: Simplify right side
    307,109.92x = 138,466,630,818.70
  5. Step 5: Solve for x
    x = 138,466,630,818.70/307,109.92
  6. Step 6: Final answer
    x = 450,869.94

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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.