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Finding the Fourth Proportional to 332,220.40, 497,736.60 and 202,152.40

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Solution

The fourth proportional to 332,220.40, 497,736.60 and 202,152.40 is: 302,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,220.40 : 497,736.60 = 202,152.40 : x
  2. Step 2: Convert to fraction form
    332,220.40/497,736.60 = 202,152.40/x
  3. Step 3: Cross multiply
    332,220.40x = 497,736.60 × 202,152.40
  4. Step 4: Simplify right side
    332,220.40x = 100,618,648,257.84
  5. Step 5: Solve for x
    x = 100,618,648,257.84/332,220.40
  6. Step 6: Final answer
    x = 302,867.16

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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.