Finding the Fourth Proportional to 86,151.08, 129,374.24 and 46,785.08
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Solution
The fourth proportional to 86,151.08, 129,374.24 and 46,785.08 is: 70,257.78
Step by Step Solution
- Step 1: Write the proportion equation
86,151.08 : 129,374.24 = 46,785.08 : x - Step 2: Convert to fraction form
86,151.08/129,374.24 = 46,785.08/x - Step 3: Cross multiply
86,151.08x = 129,374.24 × 46,785.08 - Step 4: Simplify right side
86,151.08x = 6,052,783,287.54 - Step 5: Solve for x
x = 6,052,783,287.54/86,151.08 - Step 6: Final answer
x = 70,257.78
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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.