Home / 373,845.30-515,837.46-212,690.94

Finding the Fourth Proportional to 373,845.30, 515,837.46 and 212,690.94

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Solution

The fourth proportional to 373,845.30, 515,837.46 and 212,690.94 is: 293,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,845.30 : 515,837.46 = 212,690.94 : x
  2. Step 2: Convert to fraction form
    373,845.30/515,837.46 = 212,690.94/x
  3. Step 3: Cross multiply
    373,845.30x = 515,837.46 × 212,690.94
  4. Step 4: Simplify right side
    373,845.30x = 109,713,954,254.61
  5. Step 5: Solve for x
    x = 109,713,954,254.61/373,845.30
  6. Step 6: Final answer
    x = 293,474.21

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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.