Home / 373,639.61-515,634.02-212,517.83

Finding the Fourth Proportional to 373,639.61, 515,634.02 and 212,517.83

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Solution

The fourth proportional to 373,639.61, 515,634.02 and 212,517.83 is: 293,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,639.61 : 515,634.02 = 212,517.83 : x
  2. Step 2: Convert to fraction form
    373,639.61/515,634.02 = 212,517.83/x
  3. Step 3: Cross multiply
    373,639.61x = 515,634.02 × 212,517.83
  4. Step 4: Simplify right side
    373,639.61x = 109,581,419,363.82
  5. Step 5: Solve for x
    x = 109,581,419,363.82/373,639.61
  6. Step 6: Final answer
    x = 293,281.06

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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.