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Finding the Fourth Proportional to 449,960.48, 675,272.32 and 213,302.24

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Solution

The fourth proportional to 449,960.48, 675,272.32 and 213,302.24 is: 320,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,960.48 : 675,272.32 = 213,302.24 : x
  2. Step 2: Convert to fraction form
    449,960.48/675,272.32 = 213,302.24/x
  3. Step 3: Cross multiply
    449,960.48x = 675,272.32 × 213,302.24
  4. Step 4: Simplify right side
    449,960.48x = 144,037,098,466.00
  5. Step 5: Solve for x
    x = 144,037,098,466.00/449,960.48
  6. Step 6: Final answer
    x = 320,110.55

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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.