Finding the Fourth Proportional to 420,916.53, 580,843.16 and 229,893.02
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Solution
The fourth proportional to 420,916.53, 580,843.16 and 229,893.02 is: 317,240.53
Step by Step Solution
- Step 1: Write the proportion equation
420,916.53 : 580,843.16 = 229,893.02 : x - Step 2: Convert to fraction form
420,916.53/580,843.16 = 229,893.02/x - Step 3: Cross multiply
420,916.53x = 580,843.16 × 229,893.02 - Step 4: Simplify right side
420,916.53x = 133,531,784,145.06 - Step 5: Solve for x
x = 133,531,784,145.06/420,916.53 - Step 6: Final answer
x = 317,240.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.