Finding the Fourth Proportional to 135,302.97, 202,124.79 and 97,540.77
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Solution
The fourth proportional to 135,302.97, 202,124.79 and 97,540.77 is: 145,713.04
Step by Step Solution
- Step 1: Write the proportion equation
135,302.97 : 202,124.79 = 97,540.77 : x - Step 2: Convert to fraction form
135,302.97/202,124.79 = 97,540.77/x - Step 3: Cross multiply
135,302.97x = 202,124.79 × 97,540.77 - Step 4: Simplify right side
135,302.97x = 19,715,407,652.69 - Step 5: Solve for x
x = 19,715,407,652.69/135,302.97 - Step 6: Final answer
x = 145,713.04
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.