Home / 397,664.90-548,777.04-216,376.46

Finding the Fourth Proportional to 397,664.90, 548,777.04 and 216,376.46

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Solution

The fourth proportional to 397,664.90, 548,777.04 and 216,376.46 is: 298,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,664.90 : 548,777.04 = 216,376.46 : x
  2. Step 2: Convert to fraction form
    397,664.90/548,777.04 = 216,376.46/x
  3. Step 3: Cross multiply
    397,664.90x = 548,777.04 × 216,376.46
  4. Step 4: Simplify right side
    397,664.90x = 118,742,433,244.48
  5. Step 5: Solve for x
    x = 118,742,433,244.48/397,664.90
  6. Step 6: Final answer
    x = 298,599.23

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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.