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Finding the Fourth Proportional to 304,010.20, 456,015.30 and 164,042.20

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Solution

The fourth proportional to 304,010.20, 456,015.30 and 164,042.20 is: 246,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,010.20 : 456,015.30 = 164,042.20 : x
  2. Step 2: Convert to fraction form
    304,010.20/456,015.30 = 164,042.20/x
  3. Step 3: Cross multiply
    304,010.20x = 456,015.30 × 164,042.20
  4. Step 4: Simplify right side
    304,010.20x = 74,805,753,045.66
  5. Step 5: Solve for x
    x = 74,805,753,045.66/304,010.20
  6. Step 6: Final answer
    x = 246,063.30

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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.