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Finding the Fourth Proportional to 201,222.09, 301,814.65 and 68,087.07

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Solution

The fourth proportional to 201,222.09, 301,814.65 and 68,087.07 is: 102,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,222.09 : 301,814.65 = 68,087.07 : x
  2. Step 2: Convert to fraction form
    201,222.09/301,814.65 = 68,087.07/x
  3. Step 3: Cross multiply
    201,222.09x = 301,814.65 × 68,087.07
  4. Step 4: Simplify right side
    201,222.09x = 20,549,675,201.58
  5. Step 5: Solve for x
    x = 20,549,675,201.58/201,222.09
  6. Step 6: Final answer
    x = 102,124.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.