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Finding the Fourth Proportional to 152,278.60, 228,417.90 and 73,400.80

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Solution

The fourth proportional to 152,278.60, 228,417.90 and 73,400.80 is: 110,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,278.60 : 228,417.90 = 73,400.80 : x
  2. Step 2: Convert to fraction form
    152,278.60/228,417.90 = 73,400.80/x
  3. Step 3: Cross multiply
    152,278.60x = 228,417.90 × 73,400.80
  4. Step 4: Simplify right side
    152,278.60x = 16,766,056,594.32
  5. Step 5: Solve for x
    x = 16,766,056,594.32/152,278.60
  6. Step 6: Final answer
    x = 110,101.20

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