Finding the Fourth Proportional to 312,116.00, 430,673.88 and 189,544.62
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Solution
The fourth proportional to 312,116.00, 430,673.88 and 189,544.62 is: 261,543.52
Step by Step Solution
- Step 1: Write the proportion equation
312,116.00 : 430,673.88 = 189,544.62 : x - Step 2: Convert to fraction form
312,116.00/430,673.88 = 189,544.62/x - Step 3: Cross multiply
312,116.00x = 430,673.88 × 189,544.62 - Step 4: Simplify right side
312,116.00x = 81,631,915,980.80 - Step 5: Solve for x
x = 81,631,915,980.80/312,116.00 - Step 6: Final answer
x = 261,543.52
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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.