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Finding the Fourth Proportional to 304,885.80, 456,453.90 and 186,787.80

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Solution

The fourth proportional to 304,885.80, 456,453.90 and 186,787.80 is: 279,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,885.80 : 456,453.90 = 186,787.80 : x
  2. Step 2: Convert to fraction form
    304,885.80/456,453.90 = 186,787.80/x
  3. Step 3: Cross multiply
    304,885.80x = 456,453.90 × 186,787.80
  4. Step 4: Simplify right side
    304,885.80x = 85,260,019,782.42
  5. Step 5: Solve for x
    x = 85,260,019,782.42/304,885.80
  6. Step 6: Final answer
    x = 279,645.76

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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.