Home / 397,457.28-548,495.04-216,173.41

Finding the Fourth Proportional to 397,457.28, 548,495.04 and 216,173.41

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Solution

The fourth proportional to 397,457.28, 548,495.04 and 216,173.41 is: 298,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,457.28 : 548,495.04 = 216,173.41 : x
  2. Step 2: Convert to fraction form
    397,457.28/548,495.04 = 216,173.41/x
  3. Step 3: Cross multiply
    397,457.28x = 548,495.04 × 216,173.41
  4. Step 4: Simplify right side
    397,457.28x = 118,570,042,604.30
  5. Step 5: Solve for x
    x = 118,570,042,604.30/397,457.28
  6. Step 6: Final answer
    x = 298,321.48

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1.5x scale

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.