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Finding the Fourth Proportional to 222,002.45, 332,620.95 and 103,430.60

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Solution

The fourth proportional to 222,002.45, 332,620.95 and 103,430.60 is: 154,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,002.45 : 332,620.95 = 103,430.60 : x
  2. Step 2: Convert to fraction form
    222,002.45/332,620.95 = 103,430.60/x
  3. Step 3: Cross multiply
    222,002.45x = 332,620.95 × 103,430.60
  4. Step 4: Simplify right side
    222,002.45x = 34,403,184,431.07
  5. Step 5: Solve for x
    x = 34,403,184,431.07/222,002.45
  6. Step 6: Final answer
    x = 154,967.59

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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.