Home / 216,457.45-298,517.87-135,892.48

Finding the Fourth Proportional to 216,457.45, 298,517.87 and 135,892.48

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Solution

The fourth proportional to 216,457.45, 298,517.87 and 135,892.48 is: 187,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,457.45 : 298,517.87 = 135,892.48 : x
  2. Step 2: Convert to fraction form
    216,457.45/298,517.87 = 135,892.48/x
  3. Step 3: Cross multiply
    216,457.45x = 298,517.87 × 135,892.48
  4. Step 4: Simplify right side
    216,457.45x = 40,566,332,999.16
  5. Step 5: Solve for x
    x = 40,566,332,999.16/216,457.45
  6. Step 6: Final answer
    x = 187,410.20

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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.