Home / 306,628.03-459,905.82-82,005.87

Finding the Fourth Proportional to 306,628.03, 459,905.82 and 82,005.87

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Solution

The fourth proportional to 306,628.03, 459,905.82 and 82,005.87 is: 122,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,628.03 : 459,905.82 = 82,005.87 : x
  2. Step 2: Convert to fraction form
    306,628.03/459,905.82 = 82,005.87/x
  3. Step 3: Cross multiply
    306,628.03x = 459,905.82 × 82,005.87
  4. Step 4: Simplify right side
    306,628.03x = 37,714,975,717.32
  5. Step 5: Solve for x
    x = 37,714,975,717.32/306,628.03
  6. Step 6: Final answer
    x = 122,999.11

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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.