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Finding the Fourth Proportional to 207,272.40, 310,908.60 and 190,683.60

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Solution

The fourth proportional to 207,272.40, 310,908.60 and 190,683.60 is: 286,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,272.40 : 310,908.60 = 190,683.60 : x
  2. Step 2: Convert to fraction form
    207,272.40/310,908.60 = 190,683.60/x
  3. Step 3: Cross multiply
    207,272.40x = 310,908.60 × 190,683.60
  4. Step 4: Simplify right side
    207,272.40x = 59,285,171,118.96
  5. Step 5: Solve for x
    x = 59,285,171,118.96/207,272.40
  6. Step 6: Final answer
    x = 286,025.40

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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.