Finding the Fourth Proportional to 147,324.09, 203,297.68 and 86,880.88
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Solution
The fourth proportional to 147,324.09, 203,297.68 and 86,880.88 is: 119,889.97
Step by Step Solution
- Step 1: Write the proportion equation
147,324.09 : 203,297.68 = 86,880.88 : x - Step 2: Convert to fraction form
147,324.09/203,297.68 = 86,880.88/x - Step 3: Cross multiply
147,324.09x = 203,297.68 × 86,880.88 - Step 4: Simplify right side
147,324.09x = 17,662,681,703.08 - Step 5: Solve for x
x = 17,662,681,703.08/147,324.09 - Step 6: Final answer
x = 119,889.97
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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.