Home / 368,436.94-508,439.38-205,090.86

Finding the Fourth Proportional to 368,436.94, 508,439.38 and 205,090.86

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Solution

The fourth proportional to 368,436.94, 508,439.38 and 205,090.86 is: 283,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,436.94 : 508,439.38 = 205,090.86 : x
  2. Step 2: Convert to fraction form
    368,436.94/508,439.38 = 205,090.86/x
  3. Step 3: Cross multiply
    368,436.94x = 508,439.38 × 205,090.86
  4. Step 4: Simplify right side
    368,436.94x = 104,276,269,702.07
  5. Step 5: Solve for x
    x = 104,276,269,702.07/368,436.94
  6. Step 6: Final answer
    x = 283,023.38

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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.