Home / 505,104.96-757,434.24-189,340.36

Finding the Fourth Proportional to 505,104.96, 757,434.24 and 189,340.36

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Solution

The fourth proportional to 505,104.96, 757,434.24 and 189,340.36 is: 283,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,104.96 : 757,434.24 = 189,340.36 : x
  2. Step 2: Convert to fraction form
    505,104.96/757,434.24 = 189,340.36/x
  3. Step 3: Cross multiply
    505,104.96x = 757,434.24 × 189,340.36
  4. Step 4: Simplify right side
    505,104.96x = 143,412,871,677.93
  5. Step 5: Solve for x
    x = 143,412,871,677.93/505,104.96
  6. Step 6: Final answer
    x = 283,926.87

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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.