Finding the Fourth Proportional to 159,990.24, 239,982.12 and 41,658.96
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Solution
The fourth proportional to 159,990.24, 239,982.12 and 41,658.96 is: 62,487.60
Step by Step Solution
- Step 1: Write the proportion equation
159,990.24 : 239,982.12 = 41,658.96 : x - Step 2: Convert to fraction form
159,990.24/239,982.12 = 41,658.96/x - Step 3: Cross multiply
159,990.24x = 239,982.12 × 41,658.96 - Step 4: Simplify right side
159,990.24x = 9,997,405,537.80 - Step 5: Solve for x
x = 9,997,405,537.80/159,990.24 - Step 6: Final answer
x = 62,487.60
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1.5x scale
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.