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Finding the Fourth Proportional to 293,573.52, 440,360.31 and 83,211.48

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Solution

The fourth proportional to 293,573.52, 440,360.31 and 83,211.48 is: 124,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,573.52 : 440,360.31 = 83,211.48 : x
  2. Step 2: Convert to fraction form
    293,573.52/440,360.31 = 83,211.48/x
  3. Step 3: Cross multiply
    293,573.52x = 440,360.31 × 83,211.48
  4. Step 4: Simplify right side
    293,573.52x = 36,643,033,128.36
  5. Step 5: Solve for x
    x = 36,643,033,128.36/293,573.52
  6. Step 6: Final answer
    x = 124,817.23

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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.