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Finding the Fourth Proportional to 307,300.42, 460,965.21 and 149,340.70

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Solution

The fourth proportional to 307,300.42, 460,965.21 and 149,340.70 is: 224,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,300.42 : 460,965.21 = 149,340.70 : x
  2. Step 2: Convert to fraction form
    307,300.42/460,965.21 = 149,340.70/x
  3. Step 3: Cross multiply
    307,300.42x = 460,965.21 × 149,340.70
  4. Step 4: Simplify right side
    307,300.42x = 68,840,867,137.05
  5. Step 5: Solve for x
    x = 68,840,867,137.05/307,300.42
  6. Step 6: Final answer
    x = 224,018.14

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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.