Finding the Fourth Proportional to 201,108.69, 301,790.21 and 112,420.44
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Solution
The fourth proportional to 201,108.69, 301,790.21 and 112,420.44 is: 168,701.75
Step by Step Solution
- Step 1: Write the proportion equation
201,108.69 : 301,790.21 = 112,420.44 : x - Step 2: Convert to fraction form
201,108.69/301,790.21 = 112,420.44/x - Step 3: Cross multiply
201,108.69x = 301,790.21 × 112,420.44 - Step 4: Simplify right side
201,108.69x = 33,927,387,633.79 - Step 5: Solve for x
x = 33,927,387,633.79/201,108.69 - Step 6: Final answer
x = 168,701.75
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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.