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Finding the Fourth Proportional to 274,101.60, 411,152.40 and 253,106.40

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Solution

The fourth proportional to 274,101.60, 411,152.40 and 253,106.40 is: 379,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,101.60 : 411,152.40 = 253,106.40 : x
  2. Step 2: Convert to fraction form
    274,101.60/411,152.40 = 253,106.40/x
  3. Step 3: Cross multiply
    274,101.60x = 411,152.40 × 253,106.40
  4. Step 4: Simplify right side
    274,101.60x = 104,065,303,815.36
  5. Step 5: Solve for x
    x = 104,065,303,815.36/274,101.60
  6. Step 6: Final answer
    x = 379,659.60

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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.