Finding the Fourth Proportional to 347,015.70, 519,745.95 and 207,047.70
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Solution
The fourth proportional to 347,015.70, 519,745.95 and 207,047.70 is: 310,107.59
Step by Step Solution
- Step 1: Write the proportion equation
347,015.70 : 519,745.95 = 207,047.70 : x - Step 2: Convert to fraction form
347,015.70/519,745.95 = 207,047.70/x - Step 3: Cross multiply
347,015.70x = 519,745.95 × 207,047.70 - Step 4: Simplify right side
347,015.70x = 107,612,203,531.82 - Step 5: Solve for x
x = 107,612,203,531.82/347,015.70 - Step 6: Final answer
x = 310,107.59
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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.