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Finding the Fourth Proportional to 522,022.20, 783,106.20 and 222,500.40

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Solution

The fourth proportional to 522,022.20, 783,106.20 and 222,500.40 is: 333,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,022.20 : 783,106.20 = 222,500.40 : x
  2. Step 2: Convert to fraction form
    522,022.20/783,106.20 = 222,500.40/x
  3. Step 3: Cross multiply
    522,022.20x = 783,106.20 × 222,500.40
  4. Step 4: Simplify right side
    522,022.20x = 174,241,442,742.48
  5. Step 5: Solve for x
    x = 174,241,442,742.48/522,022.20
  6. Step 6: Final answer
    x = 333,781.67

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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.