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Finding the Fourth Proportional to 304,864.20, 456,640.20 and 252,376.20

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Solution

The fourth proportional to 304,864.20, 456,640.20 and 252,376.20 is: 378,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,864.20 : 456,640.20 = 252,376.20 : x
  2. Step 2: Convert to fraction form
    304,864.20/456,640.20 = 252,376.20/x
  3. Step 3: Cross multiply
    304,864.20x = 456,640.20 × 252,376.20
  4. Step 4: Simplify right side
    304,864.20x = 115,245,118,443.24
  5. Step 5: Solve for x
    x = 115,245,118,443.24/304,864.20
  6. Step 6: Final answer
    x = 378,021.16

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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.