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Finding the Fourth Proportional to 550,333.14, 825,491.48 and 190,765.73

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Solution

The fourth proportional to 550,333.14, 825,491.48 and 190,765.73 is: 286,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,333.14 : 825,491.48 = 190,765.73 : x
  2. Step 2: Convert to fraction form
    550,333.14/825,491.48 = 190,765.73/x
  3. Step 3: Cross multiply
    550,333.14x = 825,491.48 × 190,765.73
  4. Step 4: Simplify right side
    550,333.14x = 157,475,483,837.15
  5. Step 5: Solve for x
    x = 157,475,483,837.15/550,333.14
  6. Step 6: Final answer
    x = 286,145.74

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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.