Home / 481,861.08-664,969.50-266,999.40

Finding the Fourth Proportional to 481,861.08, 664,969.50 and 266,999.40

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Solution

The fourth proportional to 481,861.08, 664,969.50 and 266,999.40 is: 368,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,861.08 : 664,969.50 = 266,999.40 : x
  2. Step 2: Convert to fraction form
    481,861.08/664,969.50 = 266,999.40/x
  3. Step 3: Cross multiply
    481,861.08x = 664,969.50 × 266,999.40
  4. Step 4: Simplify right side
    481,861.08x = 177,546,457,518.30
  5. Step 5: Solve for x
    x = 177,546,457,518.30/481,861.08
  6. Step 6: Final answer
    x = 368,459.84

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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.