Home / 280,977.39-421,466.49-114,765.39

Finding the Fourth Proportional to 280,977.39, 421,466.49 and 114,765.39

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Solution

The fourth proportional to 280,977.39, 421,466.49 and 114,765.39 is: 172,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,977.39 : 421,466.49 = 114,765.39 : x
  2. Step 2: Convert to fraction form
    280,977.39/421,466.49 = 114,765.39/x
  3. Step 3: Cross multiply
    280,977.39x = 421,466.49 × 114,765.39
  4. Step 4: Simplify right side
    280,977.39x = 48,369,766,096.78
  5. Step 5: Solve for x
    x = 48,369,766,096.78/280,977.39
  6. Step 6: Final answer
    x = 172,148.25

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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.