Home / 281,564.08-388,561.80-154,245.04

Finding the Fourth Proportional to 281,564.08, 388,561.80 and 154,245.04

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Solution

The fourth proportional to 281,564.08, 388,561.80 and 154,245.04 is: 212,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,564.08 : 388,561.80 = 154,245.04 : x
  2. Step 2: Convert to fraction form
    281,564.08/388,561.80 = 154,245.04/x
  3. Step 3: Cross multiply
    281,564.08x = 388,561.80 × 154,245.04
  4. Step 4: Simplify right side
    281,564.08x = 59,933,730,383.47
  5. Step 5: Solve for x
    x = 59,933,730,383.47/281,564.08
  6. Step 6: Final answer
    x = 212,860.00

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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.