Finding the Fourth Proportional to 201,664.90, 302,497.35 and 154,425.70
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Solution
The fourth proportional to 201,664.90, 302,497.35 and 154,425.70 is: 231,638.55
Step by Step Solution
- Step 1: Write the proportion equation
201,664.90 : 302,497.35 = 154,425.70 : x - Step 2: Convert to fraction form
201,664.90/302,497.35 = 154,425.70/x - Step 3: Cross multiply
201,664.90x = 302,497.35 × 154,425.70 - Step 4: Simplify right side
201,664.90x = 46,713,365,021.90 - Step 5: Solve for x
x = 46,713,365,021.90/201,664.90 - Step 6: Final answer
x = 231,638.55
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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.