Finding the Fourth Proportional to 163,531.40, 245,114.85 and 63,658.40
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Solution
The fourth proportional to 163,531.40, 245,114.85 and 63,658.40 is: 95,416.65
Step by Step Solution
- Step 1: Write the proportion equation
163,531.40 : 245,114.85 = 63,658.40 : x - Step 2: Convert to fraction form
163,531.40/245,114.85 = 63,658.40/x - Step 3: Cross multiply
163,531.40x = 245,114.85 × 63,658.40 - Step 4: Simplify right side
163,531.40x = 15,603,619,167.24 - Step 5: Solve for x
x = 15,603,619,167.24/163,531.40 - Step 6: Final answer
x = 95,416.65
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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.