Finding the Fourth Proportional to 298,577.48, 412,009.80 and 177,699.26
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Solution
The fourth proportional to 298,577.48, 412,009.80 and 177,699.26 is: 245,208.84
Step by Step Solution
- Step 1: Write the proportion equation
298,577.48 : 412,009.80 = 177,699.26 : x - Step 2: Convert to fraction form
298,577.48/412,009.80 = 177,699.26/x - Step 3: Cross multiply
298,577.48x = 412,009.80 × 177,699.26 - Step 4: Simplify right side
298,577.48x = 73,213,836,572.75 - Step 5: Solve for x
x = 73,213,836,572.75/298,577.48 - Step 6: Final answer
x = 245,208.84
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1.5x scale
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.