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Finding the Fourth Proportional to 207,233.90, 310,850.85 and 190,904.30

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Solution

The fourth proportional to 207,233.90, 310,850.85 and 190,904.30 is: 286,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,233.90 : 310,850.85 = 190,904.30 : x
  2. Step 2: Convert to fraction form
    207,233.90/310,850.85 = 190,904.30/x
  3. Step 3: Cross multiply
    207,233.90x = 310,850.85 × 190,904.30
  4. Step 4: Simplify right side
    207,233.90x = 59,342,763,923.66
  5. Step 5: Solve for x
    x = 59,342,763,923.66/207,233.90
  6. Step 6: Final answer
    x = 286,356.45

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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.