Home / 347,975.64-521,170.26-207,443.80

Finding the Fourth Proportional to 347,975.64, 521,170.26 and 207,443.80

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Solution

The fourth proportional to 347,975.64, 521,170.26 and 207,443.80 is: 310,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,975.64 : 521,170.26 = 207,443.80 : x
  2. Step 2: Convert to fraction form
    347,975.64/521,170.26 = 207,443.80/x
  3. Step 3: Cross multiply
    347,975.64x = 521,170.26 × 207,443.80
  4. Step 4: Simplify right side
    347,975.64x = 108,113,539,181.39
  5. Step 5: Solve for x
    x = 108,113,539,181.39/347,975.64
  6. Step 6: Final answer
    x = 310,692.84

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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.