Home / 451,780.10-677,666.28-114,821.72

Finding the Fourth Proportional to 451,780.10, 677,666.28 and 114,821.72

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Solution

The fourth proportional to 451,780.10, 677,666.28 and 114,821.72 is: 172,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,780.10 : 677,666.28 = 114,821.72 : x
  2. Step 2: Convert to fraction form
    451,780.10/677,666.28 = 114,821.72/x
  3. Step 3: Cross multiply
    451,780.10x = 677,666.28 × 114,821.72
  4. Step 4: Simplify right side
    451,780.10x = 77,810,807,855.60
  5. Step 5: Solve for x
    x = 77,810,807,855.60/451,780.10
  6. Step 6: Final answer
    x = 172,231.60

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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.