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Finding the Fourth Proportional to 301,974.20, 452,961.30 and 202,441.40

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Solution

The fourth proportional to 301,974.20, 452,961.30 and 202,441.40 is: 303,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,974.20 : 452,961.30 = 202,441.40 : x
  2. Step 2: Convert to fraction form
    301,974.20/452,961.30 = 202,441.40/x
  3. Step 3: Cross multiply
    301,974.20x = 452,961.30 × 202,441.40
  4. Step 4: Simplify right side
    301,974.20x = 91,698,119,717.82
  5. Step 5: Solve for x
    x = 91,698,119,717.82/301,974.20
  6. Step 6: Final answer
    x = 303,662.10

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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.