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Finding the Fourth Proportional to 480,180.74, 720,195.39 and 302,142.74

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Solution

The fourth proportional to 480,180.74, 720,195.39 and 302,142.74 is: 453,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,180.74 : 720,195.39 = 302,142.74 : x
  2. Step 2: Convert to fraction form
    480,180.74/720,195.39 = 302,142.74/x
  3. Step 3: Cross multiply
    480,180.74x = 720,195.39 × 302,142.74
  4. Step 4: Simplify right side
    480,180.74x = 217,601,808,469.97
  5. Step 5: Solve for x
    x = 217,601,808,469.97/480,180.74
  6. Step 6: Final answer
    x = 453,166.46

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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.