Home / 347,684.28-521,570.16-122,991.90

Finding the Fourth Proportional to 347,684.28, 521,570.16 and 122,991.90

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Solution

The fourth proportional to 347,684.28, 521,570.16 and 122,991.90 is: 184,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,684.28 : 521,570.16 = 122,991.90 : x
  2. Step 2: Convert to fraction form
    347,684.28/521,570.16 = 122,991.90/x
  3. Step 3: Cross multiply
    347,684.28x = 521,570.16 × 122,991.90
  4. Step 4: Simplify right side
    347,684.28x = 64,148,904,961.70
  5. Step 5: Solve for x
    x = 64,148,904,961.70/347,684.28
  6. Step 6: Final answer
    x = 184,503.32

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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.