Finding the Fourth Proportional to 343,801.22, 515,705.36 and 103,917.08
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Solution
The fourth proportional to 343,801.22, 515,705.36 and 103,917.08 is: 155,876.68
Step by Step Solution
- Step 1: Write the proportion equation
343,801.22 : 515,705.36 = 103,917.08 : x - Step 2: Convert to fraction form
343,801.22/515,705.36 = 103,917.08/x - Step 3: Cross multiply
343,801.22x = 515,705.36 × 103,917.08 - Step 4: Simplify right side
343,801.22x = 53,590,592,053.44 - Step 5: Solve for x
x = 53,590,592,053.44/343,801.22 - Step 6: Final answer
x = 155,876.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.