Finding the Fourth Proportional to 196,465.12, 294,451.07 and 84,013.09
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Solution
The fourth proportional to 196,465.12, 294,451.07 and 84,013.09 is: 125,914.17
Step by Step Solution
- Step 1: Write the proportion equation
196,465.12 : 294,451.07 = 84,013.09 : x - Step 2: Convert to fraction form
196,465.12/294,451.07 = 84,013.09/x - Step 3: Cross multiply
196,465.12x = 294,451.07 × 84,013.09 - Step 4: Simplify right side
196,465.12x = 24,737,743,088.31 - Step 5: Solve for x
x = 24,737,743,088.31/196,465.12 - Step 6: Final answer
x = 125,914.17
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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.