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Finding the Fourth Proportional to 633,295.94, 950,042.34 and 212,670.23

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Solution

The fourth proportional to 633,295.94, 950,042.34 and 212,670.23 is: 319,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,295.94 : 950,042.34 = 212,670.23 : x
  2. Step 2: Convert to fraction form
    633,295.94/950,042.34 = 212,670.23/x
  3. Step 3: Cross multiply
    633,295.94x = 950,042.34 × 212,670.23
  4. Step 4: Simplify right side
    633,295.94x = 202,045,718,207.33
  5. Step 5: Solve for x
    x = 202,045,718,207.33/633,295.94
  6. Step 6: Final answer
    x = 319,038.39

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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.