Home / 678,114.80-1,017,172.20-179,529.20

Finding the Fourth Proportional to 678,114.80, 1,017,172.20 and 179,529.20

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Solution

The fourth proportional to 678,114.80, 1,017,172.20 and 179,529.20 is: 269,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,114.80 : 1,017,172.20 = 179,529.20 : x
  2. Step 2: Convert to fraction form
    678,114.80/1,017,172.20 = 179,529.20/x
  3. Step 3: Cross multiply
    678,114.80x = 1,017,172.20 × 179,529.20
  4. Step 4: Simplify right side
    678,114.80x = 182,612,111,328.24
  5. Step 5: Solve for x
    x = 182,612,111,328.24/678,114.80
  6. Step 6: Final answer
    x = 269,293.80

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Similar ratio
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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.