Finding the Fourth Proportional to 216,994.19, 325,475.09 and 67,235.63
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Solution
The fourth proportional to 216,994.19, 325,475.09 and 67,235.63 is: 100,848.43
Step by Step Solution
- Step 1: Write the proportion equation
216,994.19 : 325,475.09 = 67,235.63 : x - Step 2: Convert to fraction form
216,994.19/325,475.09 = 67,235.63/x - Step 3: Cross multiply
216,994.19x = 325,475.09 × 67,235.63 - Step 4: Simplify right side
216,994.19x = 21,883,522,389.28 - Step 5: Solve for x
x = 21,883,522,389.28/216,994.19 - Step 6: Final answer
x = 100,848.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.