Finding the Fourth Proportional to 232,139.09, 348,258.77 and 72,211.99
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Solution
The fourth proportional to 232,139.09, 348,258.77 and 72,211.99 is: 108,333.58
Step by Step Solution
- Step 1: Write the proportion equation
232,139.09 : 348,258.77 = 72,211.99 : x - Step 2: Convert to fraction form
232,139.09/348,258.77 = 72,211.99/x - Step 3: Cross multiply
232,139.09x = 348,258.77 × 72,211.99 - Step 4: Simplify right side
232,139.09x = 25,148,458,816.65 - Step 5: Solve for x
x = 25,148,458,816.65/232,139.09 - Step 6: Final answer
x = 108,333.58
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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.