Finding the Fourth Proportional to 331,142.16, 496,713.29 and 106,497.68
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Solution
The fourth proportional to 331,142.16, 496,713.29 and 106,497.68 is: 159,746.53
Step by Step Solution
- Step 1: Write the proportion equation
331,142.16 : 496,713.29 = 106,497.68 : x - Step 2: Convert to fraction form
331,142.16/496,713.29 = 106,497.68/x - Step 3: Cross multiply
331,142.16x = 496,713.29 × 106,497.68 - Step 4: Simplify right side
331,142.16x = 52,898,809,994.11 - Step 5: Solve for x
x = 52,898,809,994.11/331,142.16 - Step 6: Final answer
x = 159,746.53
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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.