Home / 229,080.52-315,010.09-198,813.29

Finding the Fourth Proportional to 229,080.52, 315,010.09 and 198,813.29

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Solution

The fourth proportional to 229,080.52, 315,010.09 and 198,813.29 is: 273,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,080.52 : 315,010.09 = 198,813.29 : x
  2. Step 2: Convert to fraction form
    229,080.52/315,010.09 = 198,813.29/x
  3. Step 3: Cross multiply
    229,080.52x = 315,010.09 × 198,813.29
  4. Step 4: Simplify right side
    229,080.52x = 62,628,192,376.10
  5. Step 5: Solve for x
    x = 62,628,192,376.10/229,080.52
  6. Step 6: Final answer
    x = 273,389.43

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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.