Home / 205,944.30-308,588.40-152,800.20

Finding the Fourth Proportional to 205,944.30, 308,588.40 and 152,800.20

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Solution

The fourth proportional to 205,944.30, 308,588.40 and 152,800.20 is: 228,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,944.30 : 308,588.40 = 152,800.20 : x
  2. Step 2: Convert to fraction form
    205,944.30/308,588.40 = 152,800.20/x
  3. Step 3: Cross multiply
    205,944.30x = 308,588.40 × 152,800.20
  4. Step 4: Simplify right side
    205,944.30x = 47,152,369,237.68
  5. Step 5: Solve for x
    x = 47,152,369,237.68/205,944.30
  6. Step 6: Final answer
    x = 228,956.90

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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.