Finding the Fourth Proportional to 165,427.68, 248,183.16 and 53,117.96
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Solution
The fourth proportional to 165,427.68, 248,183.16 and 53,117.96 is: 79,690.31
Step by Step Solution
- Step 1: Write the proportion equation
165,427.68 : 248,183.16 = 53,117.96 : x - Step 2: Convert to fraction form
165,427.68/248,183.16 = 53,117.96/x - Step 3: Cross multiply
165,427.68x = 248,183.16 × 53,117.96 - Step 4: Simplify right side
165,427.68x = 13,182,983,165.55 - Step 5: Solve for x
x = 13,182,983,165.55/165,427.68 - Step 6: Final answer
x = 79,690.31
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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.