Finding the Fourth Proportional to 97,325.80, 145,977.90 and 27,212.20
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Solution
The fourth proportional to 97,325.80, 145,977.90 and 27,212.20 is: 40,815.28
Step by Step Solution
- Step 1: Write the proportion equation
97,325.80 : 145,977.90 = 27,212.20 : x - Step 2: Convert to fraction form
97,325.80/145,977.90 = 27,212.20/x - Step 3: Cross multiply
97,325.80x = 145,977.90 × 27,212.20 - Step 4: Simplify right side
97,325.80x = 3,972,379,810.38 - Step 5: Solve for x
x = 3,972,379,810.38/97,325.80 - Step 6: Final answer
x = 40,815.28
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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.