Finding the Fourth Proportional to 97,977.42, 146,967.84 and 27,858.60
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Solution
The fourth proportional to 97,977.42, 146,967.84 and 27,858.60 is: 41,788.39
Step by Step Solution
- Step 1: Write the proportion equation
97,977.42 : 146,967.84 = 27,858.60 : x - Step 2: Convert to fraction form
97,977.42/146,967.84 = 27,858.60/x - Step 3: Cross multiply
97,977.42x = 146,967.84 × 27,858.60 - Step 4: Simplify right side
97,977.42x = 4,094,318,267.42 - Step 5: Solve for x
x = 4,094,318,267.42/97,977.42 - Step 6: Final answer
x = 41,788.39
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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.