Home / 259,631.80-358,294.62-144,921.40

Finding the Fourth Proportional to 259,631.80, 358,294.62 and 144,921.40

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Solution

The fourth proportional to 259,631.80, 358,294.62 and 144,921.40 is: 199,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,631.80 : 358,294.62 = 144,921.40 : x
  2. Step 2: Convert to fraction form
    259,631.80/358,294.62 = 144,921.40/x
  3. Step 3: Cross multiply
    259,631.80x = 358,294.62 × 144,921.40
  4. Step 4: Simplify right side
    259,631.80x = 51,924,557,942.87
  5. Step 5: Solve for x
    x = 51,924,557,942.87/259,631.80
  6. Step 6: Final answer
    x = 199,993.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.