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Finding the Fourth Proportional to 360,863.89, 497,936.69 and 207,872.19

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Solution

The fourth proportional to 360,863.89, 497,936.69 and 207,872.19 is: 286,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,863.89 : 497,936.69 = 207,872.19 : x
  2. Step 2: Convert to fraction form
    360,863.89/497,936.69 = 207,872.19/x
  3. Step 3: Cross multiply
    360,863.89x = 497,936.69 × 207,872.19
  4. Step 4: Simplify right side
    360,863.89x = 103,507,190,231.65
  5. Step 5: Solve for x
    x = 103,507,190,231.65/360,863.89
  6. Step 6: Final answer
    x = 286,831.66

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1.5x scale

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.