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Finding the Fourth Proportional to 360,872.34, 497,948.34 and 207,880.65

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Solution

The fourth proportional to 360,872.34, 497,948.34 and 207,880.65 is: 286,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,872.34 : 497,948.34 = 207,880.65 : x
  2. Step 2: Convert to fraction form
    360,872.34/497,948.34 = 207,880.65/x
  3. Step 3: Cross multiply
    360,872.34x = 497,948.34 × 207,880.65
  4. Step 4: Simplify right side
    360,872.34x = 103,513,824,585.62
  5. Step 5: Solve for x
    x = 103,513,824,585.62/360,872.34
  6. Step 6: Final answer
    x = 286,843.33

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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.