Finding the Fourth Proportional to 178,550.25, 246,398.65 and 97,979.12
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Solution
The fourth proportional to 178,550.25, 246,398.65 and 97,979.12 is: 135,210.80
Step by Step Solution
- Step 1: Write the proportion equation
178,550.25 : 246,398.65 = 97,979.12 : x - Step 2: Convert to fraction form
178,550.25/246,398.65 = 97,979.12/x - Step 3: Cross multiply
178,550.25x = 246,398.65 × 97,979.12 - Step 4: Simplify right side
178,550.25x = 24,141,922,896.19 - Step 5: Solve for x
x = 24,141,922,896.19/178,550.25 - Step 6: Final answer
x = 135,210.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.