Finding the Fourth Proportional to 362,551.43, 543,840.82 and 137,869.99
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Solution
The fourth proportional to 362,551.43, 543,840.82 and 137,869.99 is: 206,810.18
Step by Step Solution
- Step 1: Write the proportion equation
362,551.43 : 543,840.82 = 137,869.99 : x - Step 2: Convert to fraction form
362,551.43/543,840.82 = 137,869.99/x - Step 3: Cross multiply
362,551.43x = 543,840.82 × 137,869.99 - Step 4: Simplify right side
362,551.43x = 74,979,326,710.71 - Step 5: Solve for x
x = 74,979,326,710.71/362,551.43 - Step 6: Final answer
x = 206,810.18
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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.