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Finding the Fourth Proportional to 468,456.30, 646,468.97 and 253,596.33

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Solution

The fourth proportional to 468,456.30, 646,468.97 and 253,596.33 is: 349,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,456.30 : 646,468.97 = 253,596.33 : x
  2. Step 2: Convert to fraction form
    468,456.30/646,468.97 = 253,596.33/x
  3. Step 3: Cross multiply
    468,456.30x = 646,468.97 × 253,596.33
  4. Step 4: Simplify right side
    468,456.30x = 163,942,156,982.90
  5. Step 5: Solve for x
    x = 163,942,156,982.90/468,456.30
  6. Step 6: Final answer
    x = 349,962.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.