Home / 313,521.96-432,784.38-218,084.04

Finding the Fourth Proportional to 313,521.96, 432,784.38 and 218,084.04

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Solution

The fourth proportional to 313,521.96, 432,784.38 and 218,084.04 is: 301,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,521.96 : 432,784.38 = 218,084.04 : x
  2. Step 2: Convert to fraction form
    313,521.96/432,784.38 = 218,084.04/x
  3. Step 3: Cross multiply
    313,521.96x = 432,784.38 × 218,084.04
  4. Step 4: Simplify right side
    313,521.96x = 94,383,366,039.30
  5. Step 5: Solve for x
    x = 94,383,366,039.30/313,521.96
  6. Step 6: Final answer
    x = 301,042.28

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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.