Home / 316,634.45-436,940.46-173,395.26

Finding the Fourth Proportional to 316,634.45, 436,940.46 and 173,395.26

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Solution

The fourth proportional to 316,634.45, 436,940.46 and 173,395.26 is: 239,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,634.45 : 436,940.46 = 173,395.26 : x
  2. Step 2: Convert to fraction form
    316,634.45/436,940.46 = 173,395.26/x
  3. Step 3: Cross multiply
    316,634.45x = 436,940.46 × 173,395.26
  4. Step 4: Simplify right side
    316,634.45x = 75,763,404,666.22
  5. Step 5: Solve for x
    x = 75,763,404,666.22/316,634.45
  6. Step 6: Final answer
    x = 239,277.20

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1.5x scale

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.