Finding the Fourth Proportional to 102,879.06, 154,318.98 and 36,283.02
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Solution
The fourth proportional to 102,879.06, 154,318.98 and 36,283.02 is: 54,424.67
Step by Step Solution
- Step 1: Write the proportion equation
102,879.06 : 154,318.98 = 36,283.02 : x - Step 2: Convert to fraction form
102,879.06/154,318.98 = 36,283.02/x - Step 3: Cross multiply
102,879.06x = 154,318.98 × 36,283.02 - Step 4: Simplify right side
102,879.06x = 5,599,158,637.72 - Step 5: Solve for x
x = 5,599,158,637.72/102,879.06 - Step 6: Final answer
x = 54,424.67
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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.