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Finding the Fourth Proportional to 480,182.74, 720,198.38 and 302,144.74

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Solution

The fourth proportional to 480,182.74, 720,198.38 and 302,144.74 is: 453,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,182.74 : 720,198.38 = 302,144.74 : x
  2. Step 2: Convert to fraction form
    480,182.74/720,198.38 = 302,144.74/x
  3. Step 3: Cross multiply
    480,182.74x = 720,198.38 × 302,144.74
  4. Step 4: Simplify right side
    480,182.74x = 217,604,152,273.52
  5. Step 5: Solve for x
    x = 217,604,152,273.52/480,182.74
  6. Step 6: Final answer
    x = 453,169.46

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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.