Finding the Fourth Proportional to 362,551.92, 543,828.08 and 137,860.49
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Solution
The fourth proportional to 362,551.92, 543,828.08 and 137,860.49 is: 206,790.80
Step by Step Solution
- Step 1: Write the proportion equation
362,551.92 : 543,828.08 = 137,860.49 : x - Step 2: Convert to fraction form
362,551.92/543,828.08 = 137,860.49/x - Step 3: Cross multiply
362,551.92x = 543,828.08 × 137,860.49 - Step 4: Simplify right side
362,551.92x = 74,972,403,210.07 - Step 5: Solve for x
x = 74,972,403,210.07/362,551.92 - Step 6: Final answer
x = 206,790.80
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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.