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Finding the Fourth Proportional to 218,503.62, 301,540.62 and 123,013.71

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Solution

The fourth proportional to 218,503.62, 301,540.62 and 123,013.71 is: 169,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,503.62 : 301,540.62 = 123,013.71 : x
  2. Step 2: Convert to fraction form
    218,503.62/301,540.62 = 123,013.71/x
  3. Step 3: Cross multiply
    218,503.62x = 301,540.62 × 123,013.71
  4. Step 4: Simplify right side
    218,503.62x = 37,093,630,381.90
  5. Step 5: Solve for x
    x = 37,093,630,381.90/218,503.62
  6. Step 6: Final answer
    x = 169,762.09

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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.