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Finding the Fourth Proportional to 205,099.05, 307,648.58 and 55,339.34

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Solution

The fourth proportional to 205,099.05, 307,648.58 and 55,339.34 is: 83,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,099.05 : 307,648.58 = 55,339.34 : x
  2. Step 2: Convert to fraction form
    205,099.05/307,648.58 = 55,339.34/x
  3. Step 3: Cross multiply
    205,099.05x = 307,648.58 × 55,339.34
  4. Step 4: Simplify right side
    205,099.05x = 17,025,069,092.44
  5. Step 5: Solve for x
    x = 17,025,069,092.44/205,099.05
  6. Step 6: Final answer
    x = 83,009.01

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1.5x scale

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.