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Finding the Fourth Proportional to 307,134.79, 460,140.85 and 222,685.81

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Solution

The fourth proportional to 307,134.79, 460,140.85 and 222,685.81 is: 333,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,134.79 : 460,140.85 = 222,685.81 : x
  2. Step 2: Convert to fraction form
    307,134.79/460,140.85 = 222,685.81/x
  3. Step 3: Cross multiply
    307,134.79x = 460,140.85 × 222,685.81
  4. Step 4: Simplify right side
    307,134.79x = 102,466,837,024.34
  5. Step 5: Solve for x
    x = 102,466,837,024.34/307,134.79
  6. Step 6: Final answer
    x = 333,621.72

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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.