Finding the Fourth Proportional to 143,283.36, 197,673.30 and 86,596.32
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Solution
The fourth proportional to 143,283.36, 197,673.30 and 86,596.32 is: 119,468.03
Step by Step Solution
- Step 1: Write the proportion equation
143,283.36 : 197,673.30 = 86,596.32 : x - Step 2: Convert to fraction form
143,283.36/197,673.30 = 86,596.32/x - Step 3: Cross multiply
143,283.36x = 197,673.30 × 86,596.32 - Step 4: Simplify right side
143,283.36x = 17,117,780,342.26 - Step 5: Solve for x
x = 17,117,780,342.26/143,283.36 - Step 6: Final answer
x = 119,468.03
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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.