Home / 316,436.16-436,680.30-171,241.83

Finding the Fourth Proportional to 316,436.16, 436,680.30 and 171,241.83

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Solution

The fourth proportional to 316,436.16, 436,680.30 and 171,241.83 is: 236,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,436.16 : 436,680.30 = 171,241.83 : x
  2. Step 2: Convert to fraction form
    316,436.16/436,680.30 = 171,241.83/x
  3. Step 3: Cross multiply
    316,436.16x = 436,680.30 × 171,241.83
  4. Step 4: Simplify right side
    316,436.16x = 74,777,933,696.95
  5. Step 5: Solve for x
    x = 74,777,933,696.95/316,436.16
  6. Step 6: Final answer
    x = 236,312.86

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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.