Home / 258,574.50-388,225.03-132,305.29

Finding the Fourth Proportional to 258,574.50, 388,225.03 and 132,305.29

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Solution

The fourth proportional to 258,574.50, 388,225.03 and 132,305.29 is: 198,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,574.50 : 388,225.03 = 132,305.29 : x
  2. Step 2: Convert to fraction form
    258,574.50/388,225.03 = 132,305.29/x
  3. Step 3: Cross multiply
    258,574.50x = 388,225.03 × 132,305.29
  4. Step 4: Simplify right side
    258,574.50x = 51,364,223,238.28
  5. Step 5: Solve for x
    x = 51,364,223,238.28/258,574.50
  6. Step 6: Final answer
    x = 198,643.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.