Home / 268,511.70-370,540.08-146,001.42

Finding the Fourth Proportional to 268,511.70, 370,540.08 and 146,001.42

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Solution

The fourth proportional to 268,511.70, 370,540.08 and 146,001.42 is: 201,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,511.70 : 370,540.08 = 146,001.42 : x
  2. Step 2: Convert to fraction form
    268,511.70/370,540.08 = 146,001.42/x
  3. Step 3: Cross multiply
    268,511.70x = 370,540.08 × 146,001.42
  4. Step 4: Simplify right side
    268,511.70x = 54,099,377,846.91
  5. Step 5: Solve for x
    x = 54,099,377,846.91/268,511.70
  6. Step 6: Final answer
    x = 201,478.66

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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.