Home / 219,006.16-328,049.73-139,002.97

Finding the Fourth Proportional to 219,006.16, 328,049.73 and 139,002.97

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Solution

The fourth proportional to 219,006.16, 328,049.73 and 139,002.97 is: 208,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,006.16 : 328,049.73 = 139,002.97 : x
  2. Step 2: Convert to fraction form
    219,006.16/328,049.73 = 139,002.97/x
  3. Step 3: Cross multiply
    219,006.16x = 328,049.73 × 139,002.97
  4. Step 4: Simplify right side
    219,006.16x = 45,599,886,777.70
  5. Step 5: Solve for x
    x = 45,599,886,777.70/219,006.16
  6. Step 6: Final answer
    x = 208,212.80

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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.