Home / 257,036.82-354,712.02-143,881.44

Finding the Fourth Proportional to 257,036.82, 354,712.02 and 143,881.44

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Solution

The fourth proportional to 257,036.82, 354,712.02 and 143,881.44 is: 198,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,036.82 : 354,712.02 = 143,881.44 : x
  2. Step 2: Convert to fraction form
    257,036.82/354,712.02 = 143,881.44/x
  3. Step 3: Cross multiply
    257,036.82x = 354,712.02 × 143,881.44
  4. Step 4: Simplify right side
    257,036.82x = 51,036,476,222.91
  5. Step 5: Solve for x
    x = 51,036,476,222.91/257,036.82
  6. Step 6: Final answer
    x = 198,557.06

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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.