Home / 756,108.56-1,134,172.04-223,640.34

Finding the Fourth Proportional to 756,108.56, 1,134,172.04 and 223,640.34

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Solution

The fourth proportional to 756,108.56, 1,134,172.04 and 223,640.34 is: 335,463.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,108.56 : 1,134,172.04 = 223,640.34 : x
  2. Step 2: Convert to fraction form
    756,108.56/1,134,172.04 = 223,640.34/x
  3. Step 3: Cross multiply
    756,108.56x = 1,134,172.04 × 223,640.34
  4. Step 4: Simplify right side
    756,108.56x = 253,646,619,525.89
  5. Step 5: Solve for x
    x = 253,646,619,525.89/756,108.56
  6. Step 6: Final answer
    x = 335,463.23

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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.