Finding the Fourth Proportional to 99,778.08, 149,743.26 and 36,658.02
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Solution
The fourth proportional to 99,778.08, 149,743.26 and 36,658.02 is: 55,015.00
Step by Step Solution
- Step 1: Write the proportion equation
99,778.08 : 149,743.26 = 36,658.02 : x - Step 2: Convert to fraction form
99,778.08/149,743.26 = 36,658.02/x - Step 3: Cross multiply
99,778.08x = 149,743.26 × 36,658.02 - Step 4: Simplify right side
99,778.08x = 5,489,291,419.95 - Step 5: Solve for x
x = 5,489,291,419.95/99,778.08 - Step 6: Final answer
x = 55,015.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.