Home / 258,761.83-357,087.67-145,584.31

Finding the Fourth Proportional to 258,761.83, 357,087.67 and 145,584.31

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Solution

The fourth proportional to 258,761.83, 357,087.67 and 145,584.31 is: 200,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,761.83 : 357,087.67 = 145,584.31 : x
  2. Step 2: Convert to fraction form
    258,761.83/357,087.67 = 145,584.31/x
  3. Step 3: Cross multiply
    258,761.83x = 357,087.67 × 145,584.31
  4. Step 4: Simplify right side
    258,761.83x = 51,986,363,121.16
  5. Step 5: Solve for x
    x = 51,986,363,121.16/258,761.83
  6. Step 6: Final answer
    x = 200,904.29

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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.