Home / 268,396.45-370,391.71-147,542.83

Finding the Fourth Proportional to 268,396.45, 370,391.71 and 147,542.83

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Solution

The fourth proportional to 268,396.45, 370,391.71 and 147,542.83 is: 203,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,396.45 : 370,391.71 = 147,542.83 : x
  2. Step 2: Convert to fraction form
    268,396.45/370,391.71 = 147,542.83/x
  3. Step 3: Cross multiply
    268,396.45x = 370,391.71 × 147,542.83
  4. Step 4: Simplify right side
    268,396.45x = 54,648,639,807.10
  5. Step 5: Solve for x
    x = 54,648,639,807.10/268,396.45
  6. Step 6: Final answer
    x = 203,611.64

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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.