Home / 323,106.45-484,834.65-311,325.81

Finding the Fourth Proportional to 323,106.45, 484,834.65 and 311,325.81

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Solution

The fourth proportional to 323,106.45, 484,834.65 and 311,325.81 is: 467,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,106.45 : 484,834.65 = 311,325.81 : x
  2. Step 2: Convert to fraction form
    323,106.45/484,834.65 = 311,325.81/x
  3. Step 3: Cross multiply
    323,106.45x = 484,834.65 × 311,325.81
  4. Step 4: Simplify right side
    323,106.45x = 150,941,540,127.32
  5. Step 5: Solve for x
    x = 150,941,540,127.32/323,106.45
  6. Step 6: Final answer
    x = 467,157.31

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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.