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Finding the Fourth Proportional to 347,308.04, 520,604.84 and 157,900.17

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Solution

The fourth proportional to 347,308.04, 520,604.84 and 157,900.17 is: 236,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,308.04 : 520,604.84 = 157,900.17 : x
  2. Step 2: Convert to fraction form
    347,308.04/520,604.84 = 157,900.17/x
  3. Step 3: Cross multiply
    347,308.04x = 520,604.84 × 157,900.17
  4. Step 4: Simplify right side
    347,308.04x = 82,203,591,949.32
  5. Step 5: Solve for x
    x = 82,203,591,949.32/347,308.04
  6. Step 6: Final answer
    x = 236,687.85

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1.5x scale

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.