Home / 451,508.20-677,240.70-151,959.40

Finding the Fourth Proportional to 451,508.20, 677,240.70 and 151,959.40

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Solution

The fourth proportional to 451,508.20, 677,240.70 and 151,959.40 is: 227,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,508.20 : 677,240.70 = 151,959.40 : x
  2. Step 2: Convert to fraction form
    451,508.20/677,240.70 = 151,959.40/x
  3. Step 3: Cross multiply
    451,508.20x = 677,240.70 × 151,959.40
  4. Step 4: Simplify right side
    451,508.20x = 102,913,090,427.58
  5. Step 5: Solve for x
    x = 102,913,090,427.58/451,508.20
  6. Step 6: Final answer
    x = 227,931.83

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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.