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Finding the Fourth Proportional to 219,685.37, 329,528.25 and 67,885.70

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Solution

The fourth proportional to 219,685.37, 329,528.25 and 67,885.70 is: 101,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,685.37 : 329,528.25 = 67,885.70 : x
  2. Step 2: Convert to fraction form
    219,685.37/329,528.25 = 67,885.70/x
  3. Step 3: Cross multiply
    219,685.37x = 329,528.25 × 67,885.70
  4. Step 4: Simplify right side
    219,685.37x = 22,370,254,273.38
  5. Step 5: Solve for x
    x = 22,370,254,273.38/219,685.37
  6. Step 6: Final answer
    x = 101,828.61

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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.