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Finding the Fourth Proportional to 330,273.99, 455,806.22 and 187,059.51

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Solution

The fourth proportional to 330,273.99, 455,806.22 and 187,059.51 is: 258,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,273.99 : 455,806.22 = 187,059.51 : x
  2. Step 2: Convert to fraction form
    330,273.99/455,806.22 = 187,059.51/x
  3. Step 3: Cross multiply
    330,273.99x = 455,806.22 × 187,059.51
  4. Step 4: Simplify right side
    330,273.99x = 85,262,887,232.85
  5. Step 5: Solve for x
    x = 85,262,887,232.85/330,273.99
  6. Step 6: Final answer
    x = 258,158.04

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1.5x scale

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.