Home / 240,927.21-332,491.43-138,967.45

Finding the Fourth Proportional to 240,927.21, 332,491.43 and 138,967.45

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Solution

The fourth proportional to 240,927.21, 332,491.43 and 138,967.45 is: 191,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,927.21 : 332,491.43 = 138,967.45 : x
  2. Step 2: Convert to fraction form
    240,927.21/332,491.43 = 138,967.45/x
  3. Step 3: Cross multiply
    240,927.21x = 332,491.43 × 138,967.45
  4. Step 4: Simplify right side
    240,927.21x = 46,205,485,690.14
  5. Step 5: Solve for x
    x = 46,205,485,690.14/240,927.21
  6. Step 6: Final answer
    x = 191,781.93

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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.