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Finding the Fourth Proportional to 151,348.60, 226,860.90 and 51,416.20

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Solution

The fourth proportional to 151,348.60, 226,860.90 and 51,416.20 is: 77,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,348.60 : 226,860.90 = 51,416.20 : x
  2. Step 2: Convert to fraction form
    151,348.60/226,860.90 = 51,416.20/x
  3. Step 3: Cross multiply
    151,348.60x = 226,860.90 × 51,416.20
  4. Step 4: Simplify right side
    151,348.60x = 11,664,325,406.58
  5. Step 5: Solve for x
    x = 11,664,325,406.58/151,348.60
  6. Step 6: Final answer
    x = 77,069.27

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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.