Finding the Fourth Proportional to 163,743.80, 245,745.30 and 63,951.80
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Solution
The fourth proportional to 163,743.80, 245,745.30 and 63,951.80 is: 95,978.32
Step by Step Solution
- Step 1: Write the proportion equation
163,743.80 : 245,745.30 = 63,951.80 : x - Step 2: Convert to fraction form
163,743.80/245,745.30 = 63,951.80/x - Step 3: Cross multiply
163,743.80x = 245,745.30 × 63,951.80 - Step 4: Simplify right side
163,743.80x = 15,715,854,276.54 - Step 5: Solve for x
x = 15,715,854,276.54/163,743.80 - Step 6: Final answer
x = 95,978.32
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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.