Finding the Fourth Proportional to 240,657.17, 332,141.64 and 138,663.08
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Solution
The fourth proportional to 240,657.17, 332,141.64 and 138,663.08 is: 191,375.08
Step by Step Solution
- Step 1: Write the proportion equation
240,657.17 : 332,141.64 = 138,663.08 : x - Step 2: Convert to fraction form
240,657.17/332,141.64 = 138,663.08/x - Step 3: Cross multiply
240,657.17x = 332,141.64 × 138,663.08 - Step 4: Simplify right side
240,657.17x = 46,055,783,629.01 - Step 5: Solve for x
x = 46,055,783,629.01/240,657.17 - Step 6: Final answer
x = 191,375.08
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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.