Finding the Fourth Proportional to 165,448.68, 248,149.59 and 53,114.12
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Solution
The fourth proportional to 165,448.68, 248,149.59 and 53,114.12 is: 79,663.65
Step by Step Solution
- Step 1: Write the proportion equation
165,448.68 : 248,149.59 = 53,114.12 : x - Step 2: Convert to fraction form
165,448.68/248,149.59 = 53,114.12/x - Step 3: Cross multiply
165,448.68x = 248,149.59 × 53,114.12 - Step 4: Simplify right side
165,448.68x = 13,180,245,860.46 - Step 5: Solve for x
x = 13,180,245,860.46/165,448.68 - Step 6: Final answer
x = 79,663.65
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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.