Finding the Fourth Proportional to 168,782.14, 232,918.74 and 93,330.64
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Solution
The fourth proportional to 168,782.14, 232,918.74 and 93,330.64 is: 128,795.94
Step by Step Solution
- Step 1: Write the proportion equation
168,782.14 : 232,918.74 = 93,330.64 : x - Step 2: Convert to fraction form
168,782.14/232,918.74 = 93,330.64/x - Step 3: Cross multiply
168,782.14x = 232,918.74 × 93,330.64 - Step 4: Simplify right side
168,782.14x = 21,738,455,072.19 - Step 5: Solve for x
x = 21,738,455,072.19/168,782.14 - Step 6: Final answer
x = 128,795.94
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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.