Finding the Fourth Proportional to 97,474.48, 146,219.36 and 30,918.40
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Solution
The fourth proportional to 97,474.48, 146,219.36 and 30,918.40 is: 46,380.02
Step by Step Solution
- Step 1: Write the proportion equation
97,474.48 : 146,219.36 = 30,918.40 : x - Step 2: Convert to fraction form
97,474.48/146,219.36 = 30,918.40/x - Step 3: Cross multiply
97,474.48x = 146,219.36 × 30,918.40 - Step 4: Simplify right side
97,474.48x = 4,520,868,660.22 - Step 5: Solve for x
x = 4,520,868,660.22/97,474.48 - Step 6: Final answer
x = 46,380.02
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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.