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Finding the Fourth Proportional to 262,247.10, 361,897.11 and 147,517.08

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Solution

The fourth proportional to 262,247.10, 361,897.11 and 147,517.08 is: 203,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,247.10 : 361,897.11 = 147,517.08 : x
  2. Step 2: Convert to fraction form
    262,247.10/361,897.11 = 147,517.08/x
  3. Step 3: Cross multiply
    262,247.10x = 361,897.11 × 147,517.08
  4. Step 4: Simplify right side
    262,247.10x = 53,386,004,927.64
  5. Step 5: Solve for x
    x = 53,386,004,927.64/262,247.10
  6. Step 6: Final answer
    x = 203,571.38

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1.5x scale

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.