Home / 291,580.22-402,515.80-205,609.26

Finding the Fourth Proportional to 291,580.22, 402,515.80 and 205,609.26

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Solution

The fourth proportional to 291,580.22, 402,515.80 and 205,609.26 is: 283,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,580.22 : 402,515.80 = 205,609.26 : x
  2. Step 2: Convert to fraction form
    291,580.22/402,515.80 = 205,609.26/x
  3. Step 3: Cross multiply
    291,580.22x = 402,515.80 × 205,609.26
  4. Step 4: Simplify right side
    291,580.22x = 82,760,975,776.31
  5. Step 5: Solve for x
    x = 82,760,975,776.31/291,580.22
  6. Step 6: Final answer
    x = 283,836.04

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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.