Home / 281,603.28-388,623.24-160,764.24

Finding the Fourth Proportional to 281,603.28, 388,623.24 and 160,764.24

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Solution

The fourth proportional to 281,603.28, 388,623.24 and 160,764.24 is: 221,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,603.28 : 388,623.24 = 160,764.24 : x
  2. Step 2: Convert to fraction form
    281,603.28/388,623.24 = 160,764.24/x
  3. Step 3: Cross multiply
    281,603.28x = 388,623.24 × 160,764.24
  4. Step 4: Simplify right side
    281,603.28x = 62,476,719,824.94
  5. Step 5: Solve for x
    x = 62,476,719,824.94/281,603.28
  6. Step 6: Final answer
    x = 221,860.77

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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.