Home / 849,176.30-1,273,764.47-218,090.72

Finding the Fourth Proportional to 849,176.30, 1,273,764.47 and 218,090.72

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Solution

The fourth proportional to 849,176.30, 1,273,764.47 and 218,090.72 is: 327,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,176.30 : 1,273,764.47 = 218,090.72 : x
  2. Step 2: Convert to fraction form
    849,176.30/1,273,764.47 = 218,090.72/x
  3. Step 3: Cross multiply
    849,176.30x = 1,273,764.47 × 218,090.72
  4. Step 4: Simplify right side
    849,176.30x = 277,796,212,466.68
  5. Step 5: Solve for x
    x = 277,796,212,466.68/849,176.30
  6. Step 6: Final answer
    x = 327,136.09

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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.