Home / 355,131.06-490,062.11-193,983.81

Finding the Fourth Proportional to 355,131.06, 490,062.11 and 193,983.81

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Solution

The fourth proportional to 355,131.06, 490,062.11 and 193,983.81 is: 267,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,131.06 : 490,062.11 = 193,983.81 : x
  2. Step 2: Convert to fraction form
    355,131.06/490,062.11 = 193,983.81/x
  3. Step 3: Cross multiply
    355,131.06x = 490,062.11 × 193,983.81
  4. Step 4: Simplify right side
    355,131.06x = 95,064,114,264.52
  5. Step 5: Solve for x
    x = 95,064,114,264.52/355,131.06
  6. Step 6: Final answer
    x = 267,687.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.