Home / 347,941.20-521,134.20-285,733.20

Finding the Fourth Proportional to 347,941.20, 521,134.20 and 285,733.20

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Solution

The fourth proportional to 347,941.20, 521,134.20 and 285,733.20 is: 427,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,941.20 : 521,134.20 = 285,733.20 : x
  2. Step 2: Convert to fraction form
    347,941.20/521,134.20 = 285,733.20/x
  3. Step 3: Cross multiply
    347,941.20x = 521,134.20 × 285,733.20
  4. Step 4: Simplify right side
    347,941.20x = 148,905,342,595.44
  5. Step 5: Solve for x
    x = 148,905,342,595.44/347,941.20
  6. Step 6: Final answer
    x = 427,961.23

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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.