Finding the Fourth Proportional to 401,208.84, 552,664.35 and 305,549.46
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Solution
The fourth proportional to 401,208.84, 552,664.35 and 305,549.46 is: 420,893.75
Step by Step Solution
- Step 1: Write the proportion equation
401,208.84 : 552,664.35 = 305,549.46 : x - Step 2: Convert to fraction form
401,208.84/552,664.35 = 305,549.46/x - Step 3: Cross multiply
401,208.84x = 552,664.35 × 305,549.46 - Step 4: Simplify right side
401,208.84x = 168,866,293,703.75 - Step 5: Solve for x
x = 168,866,293,703.75/401,208.84 - Step 6: Final answer
x = 420,893.75
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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.