Finding the Fourth Proportional to 129,348.48, 194,022.60 and 35,854.08
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Solution
The fourth proportional to 129,348.48, 194,022.60 and 35,854.08 is: 53,781.09
Step by Step Solution
- Step 1: Write the proportion equation
129,348.48 : 194,022.60 = 35,854.08 : x - Step 2: Convert to fraction form
129,348.48/194,022.60 = 35,854.08/x - Step 3: Cross multiply
129,348.48x = 194,022.60 × 35,854.08 - Step 4: Simplify right side
129,348.48x = 6,956,501,822.21 - Step 5: Solve for x
x = 6,956,501,822.21/129,348.48 - Step 6: Final answer
x = 53,781.09
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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.