Home / 347,125.56-520,983.18-247,529.58

Finding the Fourth Proportional to 347,125.56, 520,983.18 and 247,529.58

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Solution

The fourth proportional to 347,125.56, 520,983.18 and 247,529.58 is: 371,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,125.56 : 520,983.18 = 247,529.58 : x
  2. Step 2: Convert to fraction form
    347,125.56/520,983.18 = 247,529.58/x
  3. Step 3: Cross multiply
    347,125.56x = 520,983.18 × 247,529.58
  4. Step 4: Simplify right side
    347,125.56x = 128,958,747,732.46
  5. Step 5: Solve for x
    x = 128,958,747,732.46/347,125.56
  6. Step 6: Final answer
    x = 371,504.62

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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.