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Finding the Fourth Proportional to 463,325.50, 639,384.87 and 262,121.50

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Solution

The fourth proportional to 463,325.50, 639,384.87 and 262,121.50 is: 361,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,325.50 : 639,384.87 = 262,121.50 : x
  2. Step 2: Convert to fraction form
    463,325.50/639,384.87 = 262,121.50/x
  3. Step 3: Cross multiply
    463,325.50x = 639,384.87 × 262,121.50
  4. Step 4: Simplify right side
    463,325.50x = 167,596,521,201.71
  5. Step 5: Solve for x
    x = 167,596,521,201.71/463,325.50
  6. Step 6: Final answer
    x = 361,725.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.