Home / 258,923.96-387,888.42-158,792.28

Finding the Fourth Proportional to 258,923.96, 387,888.42 and 158,792.28

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Solution

The fourth proportional to 258,923.96, 387,888.42 and 158,792.28 is: 237,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,923.96 : 387,888.42 = 158,792.28 : x
  2. Step 2: Convert to fraction form
    258,923.96/387,888.42 = 158,792.28/x
  3. Step 3: Cross multiply
    258,923.96x = 387,888.42 × 158,792.28
  4. Step 4: Simplify right side
    258,923.96x = 61,593,686,597.40
  5. Step 5: Solve for x
    x = 61,593,686,597.40/258,923.96
  6. Step 6: Final answer
    x = 237,883.30

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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.