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Finding the Fourth Proportional to 214,657.60, 321,955.44 and 72,477.12

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Solution

The fourth proportional to 214,657.60, 321,955.44 and 72,477.12 is: 108,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,657.60 : 321,955.44 = 72,477.12 : x
  2. Step 2: Convert to fraction form
    214,657.60/321,955.44 = 72,477.12/x
  3. Step 3: Cross multiply
    214,657.60x = 321,955.44 × 72,477.12
  4. Step 4: Simplify right side
    214,657.60x = 23,334,403,059.53
  5. Step 5: Solve for x
    x = 23,334,403,059.53/214,657.60
  6. Step 6: Final answer
    x = 108,705.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.