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Finding the Fourth Proportional to 363,109.40, 544,947.60 and 251,572.40

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Solution

The fourth proportional to 363,109.40, 544,947.60 and 251,572.40 is: 377,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,109.40 : 544,947.60 = 251,572.40 : x
  2. Step 2: Convert to fraction form
    363,109.40/544,947.60 = 251,572.40/x
  3. Step 3: Cross multiply
    363,109.40x = 544,947.60 × 251,572.40
  4. Step 4: Simplify right side
    363,109.40x = 137,093,775,606.24
  5. Step 5: Solve for x
    x = 137,093,775,606.24/363,109.40
  6. Step 6: Final answer
    x = 377,555.02

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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.