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Finding the Fourth Proportional to 522,164.91, 783,287.45 and 222,647.06

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Solution

The fourth proportional to 522,164.91, 783,287.45 and 222,647.06 is: 333,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,164.91 : 783,287.45 = 222,647.06 : x
  2. Step 2: Convert to fraction form
    522,164.91/783,287.45 = 222,647.06/x
  3. Step 3: Cross multiply
    522,164.91x = 783,287.45 × 222,647.06
  4. Step 4: Simplify right side
    522,164.91x = 174,396,642,847.72
  5. Step 5: Solve for x
    x = 174,396,642,847.72/522,164.91
  6. Step 6: Final answer
    x = 333,987.67

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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.