Finding the Fourth Proportional to 305,554.84, 421,659.32 and 169,580.82
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Solution
The fourth proportional to 305,554.84, 421,659.32 and 169,580.82 is: 234,018.00
Step by Step Solution
- Step 1: Write the proportion equation
305,554.84 : 421,659.32 = 169,580.82 : x - Step 2: Convert to fraction form
305,554.84/421,659.32 = 169,580.82/x - Step 3: Cross multiply
305,554.84x = 421,659.32 × 169,580.82 - Step 4: Simplify right side
305,554.84x = 71,505,333,246.24 - Step 5: Solve for x
x = 71,505,333,246.24/305,554.84 - Step 6: Final answer
x = 234,018.00
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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.