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Finding the Fourth Proportional to 373,416.76, 515,226.54 and 212,259.12

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Solution

The fourth proportional to 373,416.76, 515,226.54 and 212,259.12 is: 292,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,416.76 : 515,226.54 = 212,259.12 : x
  2. Step 2: Convert to fraction form
    373,416.76/515,226.54 = 212,259.12/x
  3. Step 3: Cross multiply
    373,416.76x = 515,226.54 × 212,259.12
  4. Step 4: Simplify right side
    373,416.76x = 109,361,531,981.05
  5. Step 5: Solve for x
    x = 109,361,531,981.05/373,416.76
  6. Step 6: Final answer
    x = 292,867.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.