Finding the Fourth Proportional to 305,188.13, 421,114.55 and 169,223.07
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Solution
The fourth proportional to 305,188.13, 421,114.55 and 169,223.07 is: 233,502.84
Step by Step Solution
- Step 1: Write the proportion equation
305,188.13 : 421,114.55 = 169,223.07 : x - Step 2: Convert to fraction form
305,188.13/421,114.55 = 169,223.07/x - Step 3: Cross multiply
305,188.13x = 421,114.55 × 169,223.07 - Step 4: Simplify right side
305,188.13x = 71,262,294,867.10 - Step 5: Solve for x
x = 71,262,294,867.10/305,188.13 - Step 6: Final answer
x = 233,502.84
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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.