Home / 345,015.86-476,117.01-194,112.50

Finding the Fourth Proportional to 345,015.86, 476,117.01 and 194,112.50

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Solution

The fourth proportional to 345,015.86, 476,117.01 and 194,112.50 is: 267,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,015.86 : 476,117.01 = 194,112.50 : x
  2. Step 2: Convert to fraction form
    345,015.86/476,117.01 = 194,112.50/x
  3. Step 3: Cross multiply
    345,015.86x = 476,117.01 × 194,112.50
  4. Step 4: Simplify right side
    345,015.86x = 92,420,263,103.63
  5. Step 5: Solve for x
    x = 92,420,263,103.63/345,015.86
  6. Step 6: Final answer
    x = 267,872.51

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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.