Finding the Fourth Proportional to 163,778.53, 245,542.94 and 51,393.92
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Solution
The fourth proportional to 163,778.53, 245,542.94 and 51,393.92 is: 77,051.70
Step by Step Solution
- Step 1: Write the proportion equation
163,778.53 : 245,542.94 = 51,393.92 : x - Step 2: Convert to fraction form
163,778.53/245,542.94 = 51,393.92/x - Step 3: Cross multiply
163,778.53x = 245,542.94 × 51,393.92 - Step 4: Simplify right side
163,778.53x = 12,619,413,957.96 - Step 5: Solve for x
x = 12,619,413,957.96/163,778.53 - Step 6: Final answer
x = 77,051.70
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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.