Home / 231,467.45-347,014.33-212,783.98

Finding the Fourth Proportional to 231,467.45, 347,014.33 and 212,783.98

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Solution

The fourth proportional to 231,467.45, 347,014.33 and 212,783.98 is: 319,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,467.45 : 347,014.33 = 212,783.98 : x
  2. Step 2: Convert to fraction form
    231,467.45/347,014.33 = 212,783.98/x
  3. Step 3: Cross multiply
    231,467.45x = 347,014.33 × 212,783.98
  4. Step 4: Simplify right side
    231,467.45x = 73,839,088,041.62
  5. Step 5: Solve for x
    x = 73,839,088,041.62/231,467.45
  6. Step 6: Final answer
    x = 319,004.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.