Finding the Fourth Proportional to 302,649.36, 417,639.60 and 166,657.44
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Solution
The fourth proportional to 302,649.36, 417,639.60 and 166,657.44 is: 229,978.17
Step by Step Solution
- Step 1: Write the proportion equation
302,649.36 : 417,639.60 = 166,657.44 : x - Step 2: Convert to fraction form
302,649.36/417,639.60 = 166,657.44/x - Step 3: Cross multiply
302,649.36x = 417,639.60 × 166,657.44 - Step 4: Simplify right side
302,649.36x = 69,602,746,578.62 - Step 5: Solve for x
x = 69,602,746,578.62/302,649.36 - Step 6: Final answer
x = 229,978.17
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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.