Finding the Fourth Proportional to 201,153.85, 277,592.40 and 110,515.63
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Solution
The fourth proportional to 201,153.85, 277,592.40 and 110,515.63 is: 152,511.62
Step by Step Solution
- Step 1: Write the proportion equation
201,153.85 : 277,592.40 = 110,515.63 : x - Step 2: Convert to fraction form
201,153.85/277,592.40 = 110,515.63/x - Step 3: Cross multiply
201,153.85x = 277,592.40 × 110,515.63 - Step 4: Simplify right side
201,153.85x = 30,678,298,969.21 - Step 5: Solve for x
x = 30,678,298,969.21/201,153.85 - Step 6: Final answer
x = 152,511.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.