Home / 218,897.37-326,169.95-195,021.41

Finding the Fourth Proportional to 218,897.37, 326,169.95 and 195,021.41

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Solution

The fourth proportional to 218,897.37, 326,169.95 and 195,021.41 is: 290,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,897.37 : 326,169.95 = 195,021.41 : x
  2. Step 2: Convert to fraction form
    218,897.37/326,169.95 = 195,021.41/x
  3. Step 3: Cross multiply
    218,897.37x = 326,169.95 × 195,021.41
  4. Step 4: Simplify right side
    218,897.37x = 63,610,120,942.67
  5. Step 5: Solve for x
    x = 63,610,120,942.67/218,897.37
  6. Step 6: Final answer
    x = 290,593.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.