Home / 866,172.44-1,299,236.78-235,069.84

Finding the Fourth Proportional to 866,172.44, 1,299,236.78 and 235,069.84

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Solution

The fourth proportional to 866,172.44, 1,299,236.78 and 235,069.84 is: 352,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,172.44 : 1,299,236.78 = 235,069.84 : x
  2. Step 2: Convert to fraction form
    866,172.44/1,299,236.78 = 235,069.84/x
  3. Step 3: Cross multiply
    866,172.44x = 1,299,236.78 × 235,069.84
  4. Step 4: Simplify right side
    866,172.44x = 305,411,381,996.72
  5. Step 5: Solve for x
    x = 305,411,381,996.72/866,172.44
  6. Step 6: Final answer
    x = 352,598.82

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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.