Home / 422,917.29-583,465.73-269,961.21

Finding the Fourth Proportional to 422,917.29, 583,465.73 and 269,961.21

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Solution

The fourth proportional to 422,917.29, 583,465.73 and 269,961.21 is: 372,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,917.29 : 583,465.73 = 269,961.21 : x
  2. Step 2: Convert to fraction form
    422,917.29/583,465.73 = 269,961.21/x
  3. Step 3: Cross multiply
    422,917.29x = 583,465.73 × 269,961.21
  4. Step 4: Simplify right side
    422,917.29x = 157,513,113,114.53
  5. Step 5: Solve for x
    x = 157,513,113,114.53/422,917.29
  6. Step 6: Final answer
    x = 372,444.25

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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.