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Finding the Fourth Proportional to 471,630.88, 650,777.28 and 270,388

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Solution

The fourth proportional to 471,630.88, 650,777.28 and 270,388 is: 373,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,630.88 : 650,777.28 = 270,388 : x
  2. Step 2: Convert to fraction form
    471,630.88/650,777.28 = 270,388/x
  3. Step 3: Cross multiply
    471,630.88x = 650,777.28 × 270,388
  4. Step 4: Simplify right side
    471,630.88x = 175,962,367,184.64
  5. Step 5: Solve for x
    x = 175,962,367,184.64/471,630.88
  6. Step 6: Final answer
    x = 373,093.40

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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.