Home / 355,964.95-533,933.61-131,228.20

Finding the Fourth Proportional to 355,964.95, 533,933.61 and 131,228.20

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Solution

The fourth proportional to 355,964.95, 533,933.61 and 131,228.20 is: 196,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,964.95 : 533,933.61 = 131,228.20 : x
  2. Step 2: Convert to fraction form
    355,964.95/533,933.61 = 131,228.20/x
  3. Step 3: Cross multiply
    355,964.95x = 533,933.61 × 131,228.20
  4. Step 4: Simplify right side
    355,964.95x = 70,067,146,559.80
  5. Step 5: Solve for x
    x = 70,067,146,559.80/355,964.95
  6. Step 6: Final answer
    x = 196,837.21

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1.5x scale

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.