Home / 316,223.35-436,388.06-172,983.35

Finding the Fourth Proportional to 316,223.35, 436,388.06 and 172,983.35

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Solution

The fourth proportional to 316,223.35, 436,388.06 and 172,983.35 is: 238,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,223.35 : 436,388.06 = 172,983.35 : x
  2. Step 2: Convert to fraction form
    316,223.35/436,388.06 = 172,983.35/x
  3. Step 3: Cross multiply
    316,223.35x = 436,388.06 × 172,983.35
  4. Step 4: Simplify right side
    316,223.35x = 75,487,870,042.23
  5. Step 5: Solve for x
    x = 75,487,870,042.23/316,223.35
  6. Step 6: Final answer
    x = 238,716.94

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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.