Home / 205,982.90-308,974.35-149,558.30

Finding the Fourth Proportional to 205,982.90, 308,974.35 and 149,558.30

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Solution

The fourth proportional to 205,982.90, 308,974.35 and 149,558.30 is: 224,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,982.90 : 308,974.35 = 149,558.30 : x
  2. Step 2: Convert to fraction form
    205,982.90/308,974.35 = 149,558.30/x
  3. Step 3: Cross multiply
    205,982.90x = 308,974.35 × 149,558.30
  4. Step 4: Simplify right side
    205,982.90x = 46,209,678,529.61
  5. Step 5: Solve for x
    x = 46,209,678,529.61/205,982.90
  6. Step 6: Final answer
    x = 224,337.45

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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.