Finding the Fourth Proportional to 328,701.14, 493,079.86 and 115,450.52
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Solution
The fourth proportional to 328,701.14, 493,079.86 and 115,450.52 is: 173,185.66
Step by Step Solution
- Step 1: Write the proportion equation
328,701.14 : 493,079.86 = 115,450.52 : x - Step 2: Convert to fraction form
328,701.14/493,079.86 = 115,450.52/x - Step 3: Cross multiply
328,701.14x = 493,079.86 × 115,450.52 - Step 4: Simplify right side
328,701.14x = 56,926,323,268.03 - Step 5: Solve for x
x = 56,926,323,268.03/328,701.14 - Step 6: Final answer
x = 173,185.66
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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.