Finding the Fourth Proportional to 154,163.50, 212,733.86 and 93,725.75
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Solution
The fourth proportional to 154,163.50, 212,733.86 and 93,725.75 is: 129,334.39
Step by Step Solution
- Step 1: Write the proportion equation
154,163.50 : 212,733.86 = 93,725.75 : x - Step 2: Convert to fraction form
154,163.50/212,733.86 = 93,725.75/x - Step 3: Cross multiply
154,163.50x = 212,733.86 × 93,725.75 - Step 4: Simplify right side
154,163.50x = 19,938,641,345.04 - Step 5: Solve for x
x = 19,938,641,345.04/154,163.50 - Step 6: Final answer
x = 129,334.39
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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.