Home / 205,274.10-307,911.15-134,415.30

Finding the Fourth Proportional to 205,274.10, 307,911.15 and 134,415.30

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Solution

The fourth proportional to 205,274.10, 307,911.15 and 134,415.30 is: 201,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,274.10 : 307,911.15 = 134,415.30 : x
  2. Step 2: Convert to fraction form
    205,274.10/307,911.15 = 134,415.30/x
  3. Step 3: Cross multiply
    205,274.10x = 307,911.15 × 134,415.30
  4. Step 4: Simplify right side
    205,274.10x = 41,387,969,600.60
  5. Step 5: Solve for x
    x = 41,387,969,600.60/205,274.10
  6. Step 6: Final answer
    x = 201,622.95

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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.