Home / 352,361.48-486,247.38-197,312.90

Finding the Fourth Proportional to 352,361.48, 486,247.38 and 197,312.90

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Solution

The fourth proportional to 352,361.48, 486,247.38 and 197,312.90 is: 272,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,361.48 : 486,247.38 = 197,312.90 : x
  2. Step 2: Convert to fraction form
    352,361.48/486,247.38 = 197,312.90/x
  3. Step 3: Cross multiply
    352,361.48x = 486,247.38 × 197,312.90
  4. Step 4: Simplify right side
    352,361.48x = 95,942,880,665.20
  5. Step 5: Solve for x
    x = 95,942,880,665.20/352,361.48
  6. Step 6: Final answer
    x = 272,285.38

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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.