Home / 258,825.24-387,740.28-158,693.40

Finding the Fourth Proportional to 258,825.24, 387,740.28 and 158,693.40

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Solution

The fourth proportional to 258,825.24, 387,740.28 and 158,693.40 is: 237,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,825.24 : 387,740.28 = 158,693.40 : x
  2. Step 2: Convert to fraction form
    258,825.24/387,740.28 = 158,693.40/x
  3. Step 3: Cross multiply
    258,825.24x = 387,740.28 × 158,693.40
  4. Step 4: Simplify right side
    258,825.24x = 61,531,823,350.15
  5. Step 5: Solve for x
    x = 61,531,823,350.15/258,825.24
  6. Step 6: Final answer
    x = 237,735.02

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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.