Home / 228,005.99-314,604.96-143,084.78

Finding the Fourth Proportional to 228,005.99, 314,604.96 and 143,084.78

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Solution

The fourth proportional to 228,005.99, 314,604.96 and 143,084.78 is: 197,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,005.99 : 314,604.96 = 143,084.78 : x
  2. Step 2: Convert to fraction form
    228,005.99/314,604.96 = 143,084.78/x
  3. Step 3: Cross multiply
    228,005.99x = 314,604.96 × 143,084.78
  4. Step 4: Simplify right side
    228,005.99x = 45,015,181,363.54
  5. Step 5: Solve for x
    x = 45,015,181,363.54/228,005.99
  6. Step 6: Final answer
    x = 197,429.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.