Home / 281,975.32-389,128.94-152,914.04

Finding the Fourth Proportional to 281,975.32, 389,128.94 and 152,914.04

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Solution

The fourth proportional to 281,975.32, 389,128.94 and 152,914.04 is: 211,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,975.32 : 389,128.94 = 152,914.04 : x
  2. Step 2: Convert to fraction form
    281,975.32/389,128.94 = 152,914.04/x
  3. Step 3: Cross multiply
    281,975.32x = 389,128.94 × 152,914.04
  4. Step 4: Simplify right side
    281,975.32x = 59,503,279,377.54
  5. Step 5: Solve for x
    x = 59,503,279,377.54/281,975.32
  6. Step 6: Final answer
    x = 211,023.01

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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.