Home / 449,541.27-620,379.14-268,358.40

Finding the Fourth Proportional to 449,541.27, 620,379.14 and 268,358.40

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Solution

The fourth proportional to 449,541.27, 620,379.14 and 268,358.40 is: 370,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,541.27 : 620,379.14 = 268,358.40 : x
  2. Step 2: Convert to fraction form
    449,541.27/620,379.14 = 268,358.40/x
  3. Step 3: Cross multiply
    449,541.27x = 620,379.14 × 268,358.40
  4. Step 4: Simplify right side
    449,541.27x = 166,483,953,403.78
  5. Step 5: Solve for x
    x = 166,483,953,403.78/449,541.27
  6. Step 6: Final answer
    x = 370,341.87

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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.