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Finding the Fourth Proportional to 204,009.60, 306,014.40 and 190,790.40

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Solution

The fourth proportional to 204,009.60, 306,014.40 and 190,790.40 is: 286,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,009.60 : 306,014.40 = 190,790.40 : x
  2. Step 2: Convert to fraction form
    204,009.60/306,014.40 = 190,790.40/x
  3. Step 3: Cross multiply
    204,009.60x = 306,014.40 × 190,790.40
  4. Step 4: Simplify right side
    204,009.60x = 58,384,609,781.76
  5. Step 5: Solve for x
    x = 58,384,609,781.76/204,009.60
  6. Step 6: Final answer
    x = 286,185.60

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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.