Home / 263,377.23-395,128.71-85,884.45

Finding the Fourth Proportional to 263,377.23, 395,128.71 and 85,884.45

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Solution

The fourth proportional to 263,377.23, 395,128.71 and 85,884.45 is: 128,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,377.23 : 395,128.71 = 85,884.45 : x
  2. Step 2: Convert to fraction form
    263,377.23/395,128.71 = 85,884.45/x
  3. Step 3: Cross multiply
    263,377.23x = 395,128.71 × 85,884.45
  4. Step 4: Simplify right side
    263,377.23x = 33,935,411,937.56
  5. Step 5: Solve for x
    x = 33,935,411,937.56/263,377.23
  6. Step 6: Final answer
    x = 128,847.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.