Finding the Fourth Proportional to 253,054.36, 379,452.42 and 84,513.96
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Solution
The fourth proportional to 253,054.36, 379,452.42 and 84,513.96 is: 126,727.82
Step by Step Solution
- Step 1: Write the proportion equation
253,054.36 : 379,452.42 = 84,513.96 : x - Step 2: Convert to fraction form
253,054.36/379,452.42 = 84,513.96/x - Step 3: Cross multiply
253,054.36x = 379,452.42 × 84,513.96 - Step 4: Simplify right side
253,054.36x = 32,069,026,645.78 - Step 5: Solve for x
x = 32,069,026,645.78/253,054.36 - Step 6: Final answer
x = 126,727.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.