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Finding the Fourth Proportional to 270,636.66, 373,835.57 and 207,751.54

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Solution

The fourth proportional to 270,636.66, 373,835.57 and 207,751.54 is: 286,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,636.66 : 373,835.57 = 207,751.54 : x
  2. Step 2: Convert to fraction form
    270,636.66/373,835.57 = 207,751.54/x
  3. Step 3: Cross multiply
    270,636.66x = 373,835.57 × 207,751.54
  4. Step 4: Simplify right side
    270,636.66x = 77,664,915,374.28
  5. Step 5: Solve for x
    x = 77,664,915,374.28/270,636.66
  6. Step 6: Final answer
    x = 286,971.16

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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.