Home / 240,931.27-332,476.18-138,961

Finding the Fourth Proportional to 240,931.27, 332,476.18 and 138,961

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Solution

The fourth proportional to 240,931.27, 332,476.18 and 138,961 is: 191,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,931.27 : 332,476.18 = 138,961 : x
  2. Step 2: Convert to fraction form
    240,931.27/332,476.18 = 138,961/x
  3. Step 3: Cross multiply
    240,931.27x = 332,476.18 × 138,961
  4. Step 4: Simplify right side
    240,931.27x = 46,201,222,448.98
  5. Step 5: Solve for x
    x = 46,201,222,448.98/240,931.27
  6. Step 6: Final answer
    x = 191,761.00

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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.