Finding the Fourth Proportional to 165,417.70, 248,168.12 and 53,107.96
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Solution
The fourth proportional to 165,417.70, 248,168.12 and 53,107.96 is: 79,675.29
Step by Step Solution
- Step 1: Write the proportion equation
165,417.70 : 248,168.12 = 53,107.96 : x - Step 2: Convert to fraction form
165,417.70/248,168.12 = 53,107.96/x - Step 3: Cross multiply
165,417.70x = 248,168.12 × 53,107.96 - Step 4: Simplify right side
165,417.70x = 13,179,702,590.24 - Step 5: Solve for x
x = 13,179,702,590.24/165,417.70 - Step 6: Final answer
x = 79,675.29
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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.