Home / 269,531.68-404,565.10-143,173.08

Finding the Fourth Proportional to 269,531.68, 404,565.10 and 143,173.08

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Solution

The fourth proportional to 269,531.68, 404,565.10 and 143,173.08 is: 214,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,531.68 : 404,565.10 = 143,173.08 : x
  2. Step 2: Convert to fraction form
    269,531.68/404,565.10 = 143,173.08/x
  3. Step 3: Cross multiply
    269,531.68x = 404,565.10 × 143,173.08
  4. Step 4: Simplify right side
    269,531.68x = 57,922,831,427.51
  5. Step 5: Solve for x
    x = 57,922,831,427.51/269,531.68
  6. Step 6: Final answer
    x = 214,901.76

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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.