Home / 451,646.28-677,469.69-114,712.20

Finding the Fourth Proportional to 451,646.28, 677,469.69 and 114,712.20

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Solution

The fourth proportional to 451,646.28, 677,469.69 and 114,712.20 is: 172,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,646.28 : 677,469.69 = 114,712.20 : x
  2. Step 2: Convert to fraction form
    451,646.28/677,469.69 = 114,712.20/x
  3. Step 3: Cross multiply
    451,646.28x = 677,469.69 × 114,712.20
  4. Step 4: Simplify right side
    451,646.28x = 77,714,038,573.22
  5. Step 5: Solve for x
    x = 77,714,038,573.22/451,646.28
  6. Step 6: Final answer
    x = 172,068.37

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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.