Home / 316,442.30-436,690.90-173,211.41

Finding the Fourth Proportional to 316,442.30, 436,690.90 and 173,211.41

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Solution

The fourth proportional to 316,442.30, 436,690.90 and 173,211.41 is: 239,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,442.30 : 436,690.90 = 173,211.41 : x
  2. Step 2: Convert to fraction form
    316,442.30/436,690.90 = 173,211.41/x
  3. Step 3: Cross multiply
    316,442.30x = 436,690.90 × 173,211.41
  4. Step 4: Simplify right side
    316,442.30x = 75,639,846,857.10
  5. Step 5: Solve for x
    x = 75,639,846,857.10/316,442.30
  6. Step 6: Final answer
    x = 239,032.04

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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.