Finding the Fourth Proportional to 157,449.14, 236,207.40 and 57,608.96
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Solution
The fourth proportional to 157,449.14, 236,207.40 and 57,608.96 is: 86,425.77
Step by Step Solution
- Step 1: Write the proportion equation
157,449.14 : 236,207.40 = 57,608.96 : x - Step 2: Convert to fraction form
157,449.14/236,207.40 = 57,608.96/x - Step 3: Cross multiply
157,449.14x = 236,207.40 × 57,608.96 - Step 4: Simplify right side
157,449.14x = 13,607,662,658.30 - Step 5: Solve for x
x = 13,607,662,658.30/157,449.14 - Step 6: Final answer
x = 86,425.77
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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.