Finding the Fourth Proportional to 347,975.70, 521,963.55 and 237,383.70
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Solution
The fourth proportional to 347,975.70, 521,963.55 and 237,383.70 is: 356,075.55
Step by Step Solution
- Step 1: Write the proportion equation
347,975.70 : 521,963.55 = 237,383.70 : x - Step 2: Convert to fraction form
347,975.70/521,963.55 = 237,383.70/x - Step 3: Cross multiply
347,975.70x = 521,963.55 × 237,383.70 - Step 4: Simplify right side
347,975.70x = 123,905,638,764.14 - Step 5: Solve for x
x = 123,905,638,764.14/347,975.70 - Step 6: Final answer
x = 356,075.55
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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.