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Finding the Fourth Proportional to 252,097.52, 377,917.40 and 125,776.40

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Solution

The fourth proportional to 252,097.52, 377,917.40 and 125,776.40 is: 188,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,097.52 : 377,917.40 = 125,776.40 : x
  2. Step 2: Convert to fraction form
    252,097.52/377,917.40 = 125,776.40/x
  3. Step 3: Cross multiply
    252,097.52x = 377,917.40 × 125,776.40
  4. Step 4: Simplify right side
    252,097.52x = 47,533,089,911.40
  5. Step 5: Solve for x
    x = 47,533,089,911.40/252,097.52
  6. Step 6: Final answer
    x = 188,550.41

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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.