Home / 258,627.25-356,905.65-145,450

Finding the Fourth Proportional to 258,627.25, 356,905.65 and 145,450

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Solution

The fourth proportional to 258,627.25, 356,905.65 and 145,450 is: 200,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,627.25 : 356,905.65 = 145,450 : x
  2. Step 2: Convert to fraction form
    258,627.25/356,905.65 = 145,450/x
  3. Step 3: Cross multiply
    258,627.25x = 356,905.65 × 145,450
  4. Step 4: Simplify right side
    258,627.25x = 51,911,926,792.50
  5. Step 5: Solve for x
    x = 51,911,926,792.50/258,627.25
  6. Step 6: Final answer
    x = 200,721.03

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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.