Home / 258,719.80-357,032.82-145,542.64

Finding the Fourth Proportional to 258,719.80, 357,032.82 and 145,542.64

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Solution

The fourth proportional to 258,719.80, 357,032.82 and 145,542.64 is: 200,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,719.80 : 357,032.82 = 145,542.64 : x
  2. Step 2: Convert to fraction form
    258,719.80/357,032.82 = 145,542.64/x
  3. Step 3: Cross multiply
    258,719.80x = 357,032.82 × 145,542.64
  4. Step 4: Simplify right side
    258,719.80x = 51,963,499,189.44
  5. Step 5: Solve for x
    x = 51,963,499,189.44/258,719.80
  6. Step 6: Final answer
    x = 200,848.56

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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.