Finding the Fourth Proportional to 246,555.18, 369,849.18 and 86,611.68
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Solution
The fourth proportional to 246,555.18, 369,849.18 and 86,611.68 is: 129,923.28
Step by Step Solution
- Step 1: Write the proportion equation
246,555.18 : 369,849.18 = 86,611.68 : x - Step 2: Convert to fraction form
246,555.18/369,849.18 = 86,611.68/x - Step 3: Cross multiply
246,555.18x = 369,849.18 × 86,611.68 - Step 4: Simplify right side
246,555.18x = 32,033,258,826.42 - Step 5: Solve for x
x = 32,033,258,826.42/246,555.18 - Step 6: Final answer
x = 129,923.28
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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.