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Finding the Fourth Proportional to 354,581.52, 489,301.88 and 201,597.64

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Solution

The fourth proportional to 354,581.52, 489,301.88 and 201,597.64 is: 278,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,581.52 : 489,301.88 = 201,597.64 : x
  2. Step 2: Convert to fraction form
    354,581.52/489,301.88 = 201,597.64/x
  3. Step 3: Cross multiply
    354,581.52x = 489,301.88 × 201,597.64
  4. Step 4: Simplify right side
    354,581.52x = 98,642,104,255.56
  5. Step 5: Solve for x
    x = 98,642,104,255.56/354,581.52
  6. Step 6: Final answer
    x = 278,193.02

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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.