Finding the Fourth Proportional to 236,877.39, 326,895.08 and 129,451.95
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Solution
The fourth proportional to 236,877.39, 326,895.08 and 129,451.95 is: 178,646.03
Step by Step Solution
- Step 1: Write the proportion equation
236,877.39 : 326,895.08 = 129,451.95 : x - Step 2: Convert to fraction form
236,877.39/326,895.08 = 129,451.95/x - Step 3: Cross multiply
236,877.39x = 326,895.08 × 129,451.95 - Step 4: Simplify right side
236,877.39x = 42,317,204,904.15 - Step 5: Solve for x
x = 42,317,204,904.15/236,877.39 - Step 6: Final answer
x = 178,646.03
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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.