Home / 258,282.64-388,007.20-153,170.56

Finding the Fourth Proportional to 258,282.64, 388,007.20 and 153,170.56

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Solution

The fourth proportional to 258,282.64, 388,007.20 and 153,170.56 is: 230,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,282.64 : 388,007.20 = 153,170.56 : x
  2. Step 2: Convert to fraction form
    258,282.64/388,007.20 = 153,170.56/x
  3. Step 3: Cross multiply
    258,282.64x = 388,007.20 × 153,170.56
  4. Step 4: Simplify right side
    258,282.64x = 59,431,280,108.03
  5. Step 5: Solve for x
    x = 59,431,280,108.03/258,282.64
  6. Step 6: Final answer
    x = 230,101.72

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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.