Home / 274,931.25-412,490.43-154,843.08

Finding the Fourth Proportional to 274,931.25, 412,490.43 and 154,843.08

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Solution

The fourth proportional to 274,931.25, 412,490.43 and 154,843.08 is: 232,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,931.25 : 412,490.43 = 154,843.08 : x
  2. Step 2: Convert to fraction form
    274,931.25/412,490.43 = 154,843.08/x
  3. Step 3: Cross multiply
    274,931.25x = 412,490.43 × 154,843.08
  4. Step 4: Simplify right side
    274,931.25x = 63,871,288,651.72
  5. Step 5: Solve for x
    x = 63,871,288,651.72/274,931.25
  6. Step 6: Final answer
    x = 232,317.31

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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.