Home / 281,444.10-388,395.15-166,729.27

Finding the Fourth Proportional to 281,444.10, 388,395.15 and 166,729.27

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Solution

The fourth proportional to 281,444.10, 388,395.15 and 166,729.27 is: 230,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,444.10 : 388,395.15 = 166,729.27 : x
  2. Step 2: Convert to fraction form
    281,444.10/388,395.15 = 166,729.27/x
  3. Step 3: Cross multiply
    281,444.10x = 388,395.15 × 166,729.27
  4. Step 4: Simplify right side
    281,444.10x = 64,756,838,860.05
  5. Step 5: Solve for x
    x = 64,756,838,860.05/281,444.10
  6. Step 6: Final answer
    x = 230,087.75

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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.