Finding the Fourth Proportional to 201,193.80, 301,329.90 and 102,582.60
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Solution
The fourth proportional to 201,193.80, 301,329.90 and 102,582.60 is: 153,638.95
Step by Step Solution
- Step 1: Write the proportion equation
201,193.80 : 301,329.90 = 102,582.60 : x - Step 2: Convert to fraction form
201,193.80/301,329.90 = 102,582.60/x - Step 3: Cross multiply
201,193.80x = 301,329.90 × 102,582.60 - Step 4: Simplify right side
201,193.80x = 30,911,204,599.74 - Step 5: Solve for x
x = 30,911,204,599.74/201,193.80 - Step 6: Final answer
x = 153,638.95
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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.