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Finding the Fourth Proportional to 207,244.40, 310,866.60 and 190,655.60

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Solution

The fourth proportional to 207,244.40, 310,866.60 and 190,655.60 is: 285,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,244.40 : 310,866.60 = 190,655.60 : x
  2. Step 2: Convert to fraction form
    207,244.40/310,866.60 = 190,655.60/x
  3. Step 3: Cross multiply
    207,244.40x = 310,866.60 × 190,655.60
  4. Step 4: Simplify right side
    207,244.40x = 59,268,458,142.96
  5. Step 5: Solve for x
    x = 59,268,458,142.96/207,244.40
  6. Step 6: Final answer
    x = 285,983.40

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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.