Home / 281,464.07-388,358.15-166,685.45

Finding the Fourth Proportional to 281,464.07, 388,358.15 and 166,685.45

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Solution

The fourth proportional to 281,464.07, 388,358.15 and 166,685.45 is: 229,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,464.07 : 388,358.15 = 166,685.45 : x
  2. Step 2: Convert to fraction form
    281,464.07/388,358.15 = 166,685.45/x
  3. Step 3: Cross multiply
    281,464.07x = 388,358.15 × 166,685.45
  4. Step 4: Simplify right side
    281,464.07x = 64,733,650,218.70
  5. Step 5: Solve for x
    x = 64,733,650,218.70/281,464.07
  6. Step 6: Final answer
    x = 229,989.04

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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.