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Finding the Fourth Proportional to 437,222.54, 655,833.80 and 170,796.21

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Solution

The fourth proportional to 437,222.54, 655,833.80 and 170,796.21 is: 256,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,222.54 : 655,833.80 = 170,796.21 : x
  2. Step 2: Convert to fraction form
    437,222.54/655,833.80 = 170,796.21/x
  3. Step 3: Cross multiply
    437,222.54x = 655,833.80 × 170,796.21
  4. Step 4: Simplify right side
    437,222.54x = 112,013,927,856.89
  5. Step 5: Solve for x
    x = 112,013,927,856.89/437,222.54
  6. Step 6: Final answer
    x = 256,194.32

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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.