Finding the Fourth Proportional to 305,749.37, 421,920.02 and 169,792.00
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Solution
The fourth proportional to 305,749.37, 421,920.02 and 169,792.00 is: 234,305.12
Step by Step Solution
- Step 1: Write the proportion equation
305,749.37 : 421,920.02 = 169,792.00 : x - Step 2: Convert to fraction form
305,749.37/421,920.02 = 169,792.00/x - Step 3: Cross multiply
305,749.37x = 421,920.02 × 169,792.00 - Step 4: Simplify right side
305,749.37x = 71,638,643,405.52 - Step 5: Solve for x
x = 71,638,643,405.52/305,749.37 - Step 6: Final answer
x = 234,305.12
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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.