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Finding the Fourth Proportional to 442,705.06, 610,933.05 and 251,730.13

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Solution

The fourth proportional to 442,705.06, 610,933.05 and 251,730.13 is: 347,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,705.06 : 610,933.05 = 251,730.13 : x
  2. Step 2: Convert to fraction form
    442,705.06/610,933.05 = 251,730.13/x
  3. Step 3: Cross multiply
    442,705.06x = 610,933.05 × 251,730.13
  4. Step 4: Simplify right side
    442,705.06x = 153,790,256,097.80
  5. Step 5: Solve for x
    x = 153,790,256,097.80/442,705.06
  6. Step 6: Final answer
    x = 347,387.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.