Home / 281,599.07-388,634.58-160,758.54

Finding the Fourth Proportional to 281,599.07, 388,634.58 and 160,758.54

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Solution

The fourth proportional to 281,599.07, 388,634.58 and 160,758.54 is: 221,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,599.07 : 388,634.58 = 160,758.54 : x
  2. Step 2: Convert to fraction form
    281,599.07/388,634.58 = 160,758.54/x
  3. Step 3: Cross multiply
    281,599.07x = 388,634.58 × 160,758.54
  4. Step 4: Simplify right side
    281,599.07x = 62,476,327,674.31
  5. Step 5: Solve for x
    x = 62,476,327,674.31/281,599.07
  6. Step 6: Final answer
    x = 221,862.70

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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.