Finding the Fourth Proportional to 165,705.36, 248,523.12 and 53,395.80
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Solution
The fourth proportional to 165,705.36, 248,523.12 and 53,395.80 is: 80,082.45
Step by Step Solution
- Step 1: Write the proportion equation
165,705.36 : 248,523.12 = 53,395.80 : x - Step 2: Convert to fraction form
165,705.36/248,523.12 = 53,395.80/x - Step 3: Cross multiply
165,705.36x = 248,523.12 × 53,395.80 - Step 4: Simplify right side
165,705.36x = 13,270,090,810.90 - Step 5: Solve for x
x = 13,270,090,810.90/165,705.36 - Step 6: Final answer
x = 80,082.45
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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.