Finding the Fourth Proportional to 178,455.51, 246,218.67 and 114,830.19
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Solution
The fourth proportional to 178,455.51, 246,218.67 and 114,830.19 is: 158,433.53
Step by Step Solution
- Step 1: Write the proportion equation
178,455.51 : 246,218.67 = 114,830.19 : x - Step 2: Convert to fraction form
178,455.51/246,218.67 = 114,830.19/x - Step 3: Cross multiply
178,455.51x = 246,218.67 × 114,830.19 - Step 4: Simplify right side
178,455.51x = 28,273,336,657.65 - Step 5: Solve for x
x = 28,273,336,657.65/178,455.51 - Step 6: Final answer
x = 158,433.53
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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.