Home / 258,761.77-357,087.59-145,584.25

Finding the Fourth Proportional to 258,761.77, 357,087.59 and 145,584.25

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Solution

The fourth proportional to 258,761.77, 357,087.59 and 145,584.25 is: 200,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,761.77 : 357,087.59 = 145,584.25 : x
  2. Step 2: Convert to fraction form
    258,761.77/357,087.59 = 145,584.25/x
  3. Step 3: Cross multiply
    258,761.77x = 357,087.59 × 145,584.25
  4. Step 4: Simplify right side
    258,761.77x = 51,986,328,246.54
  5. Step 5: Solve for x
    x = 51,986,328,246.54/258,761.77
  6. Step 6: Final answer
    x = 200,904.21

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1.5x scale

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.