Home / 281,693.29-388,733.43-152,629.24

Finding the Fourth Proportional to 281,693.29, 388,733.43 and 152,629.24

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Solution

The fourth proportional to 281,693.29, 388,733.43 and 152,629.24 is: 210,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,693.29 : 388,733.43 = 152,629.24 : x
  2. Step 2: Convert to fraction form
    281,693.29/388,733.43 = 152,629.24/x
  3. Step 3: Cross multiply
    281,693.29x = 388,733.43 × 152,629.24
  4. Step 4: Simplify right side
    281,693.29x = 59,332,087,983.49
  5. Step 5: Solve for x
    x = 59,332,087,983.49/281,693.29
  6. Step 6: Final answer
    x = 210,626.56

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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.