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Finding the Fourth Proportional to 304,297.83, 456,488.27 and 126,763.32

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Solution

The fourth proportional to 304,297.83, 456,488.27 and 126,763.32 is: 190,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,297.83 : 456,488.27 = 126,763.32 : x
  2. Step 2: Convert to fraction form
    304,297.83/456,488.27 = 126,763.32/x
  3. Step 3: Cross multiply
    304,297.83x = 456,488.27 × 126,763.32
  4. Step 4: Simplify right side
    304,297.83x = 57,865,968,012.44
  5. Step 5: Solve for x
    x = 57,865,968,012.44/304,297.83
  6. Step 6: Final answer
    x = 190,162.28

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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.