Home / 258,339.02-356,501.79-149,435.33

Finding the Fourth Proportional to 258,339.02, 356,501.79 and 149,435.33

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Solution

The fourth proportional to 258,339.02, 356,501.79 and 149,435.33 is: 206,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,339.02 : 356,501.79 = 149,435.33 : x
  2. Step 2: Convert to fraction form
    258,339.02/356,501.79 = 149,435.33/x
  3. Step 3: Cross multiply
    258,339.02x = 356,501.79 × 149,435.33
  4. Step 4: Simplify right side
    258,339.02x = 53,273,960,851.73
  5. Step 5: Solve for x
    x = 53,273,960,851.73/258,339.02
  6. Step 6: Final answer
    x = 206,217.25

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1.5x scale

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.