Home / 316,728.98-437,086.15-173,491.41

Finding the Fourth Proportional to 316,728.98, 437,086.15 and 173,491.41

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Solution

The fourth proportional to 316,728.98, 437,086.15 and 173,491.41 is: 239,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,728.98 : 437,086.15 = 173,491.41 : x
  2. Step 2: Convert to fraction form
    316,728.98/437,086.15 = 173,491.41/x
  3. Step 3: Cross multiply
    316,728.98x = 437,086.15 × 173,491.41
  4. Step 4: Simplify right side
    316,728.98x = 75,830,692,021.24
  5. Step 5: Solve for x
    x = 75,830,692,021.24/316,728.98
  6. Step 6: Final answer
    x = 239,418.23

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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.