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Finding the Fourth Proportional to 345,002.93, 476,100.50 and 189,949.32

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Solution

The fourth proportional to 345,002.93, 476,100.50 and 189,949.32 is: 262,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,002.93 : 476,100.50 = 189,949.32 : x
  2. Step 2: Convert to fraction form
    345,002.93/476,100.50 = 189,949.32/x
  3. Step 3: Cross multiply
    345,002.93x = 476,100.50 × 189,949.32
  4. Step 4: Simplify right side
    345,002.93x = 90,434,967,750.33
  5. Step 5: Solve for x
    x = 90,434,967,750.33/345,002.93
  6. Step 6: Final answer
    x = 262,128.11

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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.