Finding the Fourth Proportional to 201,228.10, 301,842.15 and 198,603.70
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Solution
The fourth proportional to 201,228.10, 301,842.15 and 198,603.70 is: 297,905.55
Step by Step Solution
- Step 1: Write the proportion equation
201,228.10 : 301,842.15 = 198,603.70 : x - Step 2: Convert to fraction form
201,228.10/301,842.15 = 198,603.70/x - Step 3: Cross multiply
201,228.10x = 301,842.15 × 198,603.70 - Step 4: Simplify right side
201,228.10x = 59,946,967,805.96 - Step 5: Solve for x
x = 59,946,967,805.96/201,228.10 - Step 6: Final answer
x = 297,905.55
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1.5x scale
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.