Home / 228,520.28-315,305.79-146,891.18

Finding the Fourth Proportional to 228,520.28, 315,305.79 and 146,891.18

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Solution

The fourth proportional to 228,520.28, 315,305.79 and 146,891.18 is: 202,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,520.28 : 315,305.79 = 146,891.18 : x
  2. Step 2: Convert to fraction form
    228,520.28/315,305.79 = 146,891.18/x
  3. Step 3: Cross multiply
    228,520.28x = 315,305.79 × 146,891.18
  4. Step 4: Simplify right side
    228,520.28x = 46,315,639,553.93
  5. Step 5: Solve for x
    x = 46,315,639,553.93/228,520.28
  6. Step 6: Final answer
    x = 202,676.28

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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.