Finding the Fourth Proportional to 157,448.92, 217,268.64 and 88,548.70
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Solution
The fourth proportional to 157,448.92, 217,268.64 and 88,548.70 is: 122,191.09
Step by Step Solution
- Step 1: Write the proportion equation
157,448.92 : 217,268.64 = 88,548.70 : x - Step 2: Convert to fraction form
157,448.92/217,268.64 = 88,548.70/x - Step 3: Cross multiply
157,448.92x = 217,268.64 × 88,548.70 - Step 4: Simplify right side
157,448.92x = 19,238,855,622.77 - Step 5: Solve for x
x = 19,238,855,622.77/157,448.92 - Step 6: Final answer
x = 122,191.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.