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Finding the Fourth Proportional to 442,670.67, 610,878.31 and 251,679.96

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Solution

The fourth proportional to 442,670.67, 610,878.31 and 251,679.96 is: 347,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,670.67 : 610,878.31 = 251,679.96 : x
  2. Step 2: Convert to fraction form
    442,670.67/610,878.31 = 251,679.96/x
  3. Step 3: Cross multiply
    442,670.67x = 610,878.31 × 251,679.96
  4. Step 4: Simplify right side
    442,670.67x = 153,745,827,996.47
  5. Step 5: Solve for x
    x = 153,745,827,996.47/442,670.67
  6. Step 6: Final answer
    x = 347,314.24

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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.