Home / 251,330.80-376,996.20-223,774.60

Finding the Fourth Proportional to 251,330.80, 376,996.20 and 223,774.60

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Solution

The fourth proportional to 251,330.80, 376,996.20 and 223,774.60 is: 335,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,330.80 : 376,996.20 = 223,774.60 : x
  2. Step 2: Convert to fraction form
    251,330.80/376,996.20 = 223,774.60/x
  3. Step 3: Cross multiply
    251,330.80x = 376,996.20 × 223,774.60
  4. Step 4: Simplify right side
    251,330.80x = 84,362,173,856.52
  5. Step 5: Solve for x
    x = 84,362,173,856.52/251,330.80
  6. Step 6: Final answer
    x = 335,661.90

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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.