Finding the Fourth Proportional to 99,982.08, 149,936.40 and 29,837.52
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Solution
The fourth proportional to 99,982.08, 149,936.40 and 29,837.52 is: 44,745.32
Step by Step Solution
- Step 1: Write the proportion equation
99,982.08 : 149,936.40 = 29,837.52 : x - Step 2: Convert to fraction form
99,982.08/149,936.40 = 29,837.52/x - Step 3: Cross multiply
99,982.08x = 149,936.40 × 29,837.52 - Step 4: Simplify right side
99,982.08x = 4,473,730,333.73 - Step 5: Solve for x
x = 4,473,730,333.73/99,982.08 - Step 6: Final answer
x = 44,745.32
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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.