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Finding the Fourth Proportional to 218,494.86, 301,528.74 and 123,005.17

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Solution

The fourth proportional to 218,494.86, 301,528.74 and 123,005.17 is: 169,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,494.86 : 301,528.74 = 123,005.17 : x
  2. Step 2: Convert to fraction form
    218,494.86/301,528.74 = 123,005.17/x
  3. Step 3: Cross multiply
    218,494.86x = 301,528.74 × 123,005.17
  4. Step 4: Simplify right side
    218,494.86x = 37,089,593,923.59
  5. Step 5: Solve for x
    x = 37,089,593,923.59/218,494.86
  6. Step 6: Final answer
    x = 169,750.42

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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.