Home / 304,252.20-456,378.30-82,636.20

Finding the Fourth Proportional to 304,252.20, 456,378.30 and 82,636.20

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Solution

The fourth proportional to 304,252.20, 456,378.30 and 82,636.20 is: 123,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,252.20 : 456,378.30 = 82,636.20 : x
  2. Step 2: Convert to fraction form
    304,252.20/456,378.30 = 82,636.20/x
  3. Step 3: Cross multiply
    304,252.20x = 456,378.30 × 82,636.20
  4. Step 4: Simplify right side
    304,252.20x = 37,713,368,474.46
  5. Step 5: Solve for x
    x = 37,713,368,474.46/304,252.20
  6. Step 6: Final answer
    x = 123,954.30

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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.