Home / 380,818.10-571,112.01-114,507.92

Finding the Fourth Proportional to 380,818.10, 571,112.01 and 114,507.92

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Solution

The fourth proportional to 380,818.10, 571,112.01 and 114,507.92 is: 171,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,818.10 : 571,112.01 = 114,507.92 : x
  2. Step 2: Convert to fraction form
    380,818.10/571,112.01 = 114,507.92/x
  3. Step 3: Cross multiply
    380,818.10x = 571,112.01 × 114,507.92
  4. Step 4: Simplify right side
    380,818.10x = 65,396,848,352.12
  5. Step 5: Solve for x
    x = 65,396,848,352.12/380,818.10
  6. Step 6: Final answer
    x = 171,727.26

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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.