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Finding the Fourth Proportional to 601,420.85, 901,499.54 and 222,099.81

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Solution

The fourth proportional to 601,420.85, 901,499.54 and 222,099.81 is: 332,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,420.85 : 901,499.54 = 222,099.81 : x
  2. Step 2: Convert to fraction form
    601,420.85/901,499.54 = 222,099.81/x
  3. Step 3: Cross multiply
    601,420.85x = 901,499.54 × 222,099.81
  4. Step 4: Simplify right side
    601,420.85x = 200,222,875,438.59
  5. Step 5: Solve for x
    x = 200,222,875,438.59/601,420.85
  6. Step 6: Final answer
    x = 332,916.42

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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.