Home / 316,540.98-436,827.83-173,314.35

Finding the Fourth Proportional to 316,540.98, 436,827.83 and 173,314.35

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Solution

The fourth proportional to 316,540.98, 436,827.83 and 173,314.35 is: 239,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,540.98 : 436,827.83 = 173,314.35 : x
  2. Step 2: Convert to fraction form
    316,540.98/436,827.83 = 173,314.35/x
  3. Step 3: Cross multiply
    316,540.98x = 436,827.83 × 173,314.35
  4. Step 4: Simplify right side
    316,540.98x = 75,708,531,418.36
  5. Step 5: Solve for x
    x = 75,708,531,418.36/316,540.98
  6. Step 6: Final answer
    x = 239,174.50

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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.