Finding the Fourth Proportional to 305,304.95, 421,303.62 and 169,329.14
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Solution
The fourth proportional to 305,304.95, 421,303.62 and 169,329.14 is: 233,664.66
Step by Step Solution
- Step 1: Write the proportion equation
305,304.95 : 421,303.62 = 169,329.14 : x - Step 2: Convert to fraction form
305,304.95/421,303.62 = 169,329.14/x - Step 3: Cross multiply
305,304.95x = 421,303.62 × 169,329.14 - Step 4: Simplify right side
305,304.95x = 71,338,977,546.97 - Step 5: Solve for x
x = 71,338,977,546.97/305,304.95 - Step 6: Final answer
x = 233,664.66
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1.5x scale
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.