Home / 505,022.57-757,654.14-189,482.21

Finding the Fourth Proportional to 505,022.57, 757,654.14 and 189,482.21

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Solution

The fourth proportional to 505,022.57, 757,654.14 and 189,482.21 is: 284,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,022.57 : 757,654.14 = 189,482.21 : x
  2. Step 2: Convert to fraction form
    505,022.57/757,654.14 = 189,482.21/x
  3. Step 3: Cross multiply
    505,022.57x = 757,654.14 × 189,482.21
  4. Step 4: Simplify right side
    505,022.57x = 143,561,982,283.62
  5. Step 5: Solve for x
    x = 143,561,982,283.62/505,022.57
  6. Step 6: Final answer
    x = 284,268.45

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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.