Home / 357,118.23-492,746.17-206,127.75

Finding the Fourth Proportional to 357,118.23, 492,746.17 and 206,127.75

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Solution

The fourth proportional to 357,118.23, 492,746.17 and 206,127.75 is: 284,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,118.23 : 492,746.17 = 206,127.75 : x
  2. Step 2: Convert to fraction form
    357,118.23/492,746.17 = 206,127.75/x
  3. Step 3: Cross multiply
    357,118.23x = 492,746.17 × 206,127.75
  4. Step 4: Simplify right side
    357,118.23x = 101,568,659,343.22
  5. Step 5: Solve for x
    x = 101,568,659,343.22/357,118.23
  6. Step 6: Final answer
    x = 284,411.86

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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.