Finding the Fourth Proportional to 222,762.08, 307,398.84 and 122,160.08
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Solution
The fourth proportional to 222,762.08, 307,398.84 and 122,160.08 is: 168,573.87
Step by Step Solution
- Step 1: Write the proportion equation
222,762.08 : 307,398.84 = 122,160.08 : x - Step 2: Convert to fraction form
222,762.08/307,398.84 = 122,160.08/x - Step 3: Cross multiply
222,762.08x = 307,398.84 × 122,160.08 - Step 4: Simplify right side
222,762.08x = 37,551,866,886.31 - Step 5: Solve for x
x = 37,551,866,886.31/222,762.08 - Step 6: Final answer
x = 168,573.87
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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.