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Finding the Fourth Proportional to 330,363.70, 463,442.30 and 330,363.70

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Solution

The fourth proportional to 330,363.70, 463,442.30 and 330,363.70 is: 463,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,363.70 : 463,442.30 = 330,363.70 : x
  2. Step 2: Convert to fraction form
    330,363.70/463,442.30 = 330,363.70/x
  3. Step 3: Cross multiply
    330,363.70x = 463,442.30 × 330,363.70
  4. Step 4: Simplify right side
    330,363.70x = 153,104,512,964.51
  5. Step 5: Solve for x
    x = 153,104,512,964.51/330,363.70
  6. Step 6: Final answer
    x = 463,442.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.