Finding the Fourth Proportional to 198,247.24, 273,579.30 and 107,603.08
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Solution
The fourth proportional to 198,247.24, 273,579.30 and 107,603.08 is: 148,491.22
Step by Step Solution
- Step 1: Write the proportion equation
198,247.24 : 273,579.30 = 107,603.08 : x - Step 2: Convert to fraction form
198,247.24/273,579.30 = 107,603.08/x - Step 3: Cross multiply
198,247.24x = 273,579.30 × 107,603.08 - Step 4: Simplify right side
198,247.24x = 29,437,975,304.24 - Step 5: Solve for x
x = 29,437,975,304.24/198,247.24 - Step 6: Final answer
x = 148,491.22
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1.5x scale
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.