Finding the Fourth Proportional to 294,921.36, 407,020.68 and 174,102.48
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Solution
The fourth proportional to 294,921.36, 407,020.68 and 174,102.48 is: 240,278.66
Step by Step Solution
- Step 1: Write the proportion equation
294,921.36 : 407,020.68 = 174,102.48 : x - Step 2: Convert to fraction form
294,921.36/407,020.68 = 174,102.48/x - Step 3: Cross multiply
294,921.36x = 407,020.68 × 174,102.48 - Step 4: Simplify right side
294,921.36x = 70,863,309,799.29 - Step 5: Solve for x
x = 70,863,309,799.29/294,921.36 - Step 6: Final answer
x = 240,278.66
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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.