Home / 316,244.81-436,428.17-173,004.86

Finding the Fourth Proportional to 316,244.81, 436,428.17 and 173,004.86

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Solution

The fourth proportional to 316,244.81, 436,428.17 and 173,004.86 is: 238,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,244.81 : 436,428.17 = 173,004.86 : x
  2. Step 2: Convert to fraction form
    316,244.81/436,428.17 = 173,004.86/x
  3. Step 3: Cross multiply
    316,244.81x = 436,428.17 × 173,004.86
  4. Step 4: Simplify right side
    316,244.81x = 75,504,194,676.95
  5. Step 5: Solve for x
    x = 75,504,194,676.95/316,244.81
  6. Step 6: Final answer
    x = 238,752.36

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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.