Home / 290,813.11-401,628.04-259,113.15

Finding the Fourth Proportional to 290,813.11, 401,628.04 and 259,113.15

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Solution

The fourth proportional to 290,813.11, 401,628.04 and 259,113.15 is: 357,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,813.11 : 401,628.04 = 259,113.15 : x
  2. Step 2: Convert to fraction form
    290,813.11/401,628.04 = 259,113.15/x
  3. Step 3: Cross multiply
    290,813.11x = 401,628.04 × 259,113.15
  4. Step 4: Simplify right side
    290,813.11x = 104,067,105,924.94
  5. Step 5: Solve for x
    x = 104,067,105,924.94/290,813.11
  6. Step 6: Final answer
    x = 357,848.75

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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.