Finding the Fourth Proportional to 356,166.06, 491,509.08 and 195,021.07
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Solution
The fourth proportional to 356,166.06, 491,509.08 and 195,021.07 is: 269,129.03
Step by Step Solution
- Step 1: Write the proportion equation
356,166.06 : 491,509.08 = 195,021.07 : x - Step 2: Convert to fraction form
356,166.06/491,509.08 = 195,021.07/x - Step 3: Cross multiply
356,166.06x = 491,509.08 × 195,021.07 - Step 4: Simplify right side
356,166.06x = 95,854,626,696.32 - Step 5: Solve for x
x = 95,854,626,696.32/356,166.06 - Step 6: Final answer
x = 269,129.03
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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.