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Finding the Fourth Proportional to 270,782.87, 373,650.98 and 149,904.95

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Solution

The fourth proportional to 270,782.87, 373,650.98 and 149,904.95 is: 206,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,782.87 : 373,650.98 = 149,904.95 : x
  2. Step 2: Convert to fraction form
    270,782.87/373,650.98 = 149,904.95/x
  3. Step 3: Cross multiply
    270,782.87x = 373,650.98 × 149,904.95
  4. Step 4: Simplify right side
    270,782.87x = 56,012,128,856.57
  5. Step 5: Solve for x
    x = 56,012,128,856.57/270,782.87
  6. Step 6: Final answer
    x = 206,852.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.