Home / 281,369.06-388,288.26-160,510.12

Finding the Fourth Proportional to 281,369.06, 388,288.26 and 160,510.12

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Solution

The fourth proportional to 281,369.06, 388,288.26 and 160,510.12 is: 221,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,369.06 : 388,288.26 = 160,510.12 : x
  2. Step 2: Convert to fraction form
    281,369.06/388,288.26 = 160,510.12/x
  3. Step 3: Cross multiply
    281,369.06x = 388,288.26 × 160,510.12
  4. Step 4: Simplify right side
    281,369.06x = 62,324,195,207.19
  5. Step 5: Solve for x
    x = 62,324,195,207.19/281,369.06
  6. Step 6: Final answer
    x = 221,503.37

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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.