Home / 347,515.10-479,628.18-238,529.87

Finding the Fourth Proportional to 347,515.10, 479,628.18 and 238,529.87

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Solution

The fourth proportional to 347,515.10, 479,628.18 and 238,529.87 is: 329,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,515.10 : 479,628.18 = 238,529.87 : x
  2. Step 2: Convert to fraction form
    347,515.10/479,628.18 = 238,529.87/x
  3. Step 3: Cross multiply
    347,515.10x = 479,628.18 × 238,529.87
  4. Step 4: Simplify right side
    347,515.10x = 114,405,645,025.60
  5. Step 5: Solve for x
    x = 114,405,645,025.60/347,515.10
  6. Step 6: Final answer
    x = 329,210.58

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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.