Home / 316,940.48-437,125.92-269,351.36

Finding the Fourth Proportional to 316,940.48, 437,125.92 and 269,351.36

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Solution

The fourth proportional to 316,940.48, 437,125.92 and 269,351.36 is: 371,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,940.48 : 437,125.92 = 269,351.36 : x
  2. Step 2: Convert to fraction form
    316,940.48/437,125.92 = 269,351.36/x
  3. Step 3: Cross multiply
    316,940.48x = 437,125.92 × 269,351.36
  4. Step 4: Simplify right side
    316,940.48x = 117,740,461,043.25
  5. Step 5: Solve for x
    x = 117,740,461,043.25/316,940.48
  6. Step 6: Final answer
    x = 371,490.76

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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.