Home / 258,570.36-356,783.60-143,833.86

Finding the Fourth Proportional to 258,570.36, 356,783.60 and 143,833.86

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Solution

The fourth proportional to 258,570.36, 356,783.60 and 143,833.86 is: 198,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,570.36 : 356,783.60 = 143,833.86 : x
  2. Step 2: Convert to fraction form
    258,570.36/356,783.60 = 143,833.86/x
  3. Step 3: Cross multiply
    258,570.36x = 356,783.60 × 143,833.86
  4. Step 4: Simplify right side
    258,570.36x = 51,317,562,732.28
  5. Step 5: Solve for x
    x = 51,317,562,732.28/258,570.36
  6. Step 6: Final answer
    x = 198,466.53

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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.