Home / 316,442.58-436,690.03-173,201.37

Finding the Fourth Proportional to 316,442.58, 436,690.03 and 173,201.37

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Solution

The fourth proportional to 316,442.58, 436,690.03 and 173,201.37 is: 239,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,442.58 : 436,690.03 = 173,201.37 : x
  2. Step 2: Convert to fraction form
    316,442.58/436,690.03 = 173,201.37/x
  3. Step 3: Cross multiply
    316,442.58x = 436,690.03 × 173,201.37
  4. Step 4: Simplify right side
    316,442.58x = 75,635,310,595.33
  5. Step 5: Solve for x
    x = 75,635,310,595.33/316,442.58
  6. Step 6: Final answer
    x = 239,017.49

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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.