Finding the Fourth Proportional to 420,694.68, 580,582.18 and 229,725.80
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Solution
The fourth proportional to 420,694.68, 580,582.18 and 229,725.80 is: 317,034.45
Step by Step Solution
- Step 1: Write the proportion equation
420,694.68 : 580,582.18 = 229,725.80 : x - Step 2: Convert to fraction form
420,694.68/580,582.18 = 229,725.80/x - Step 3: Cross multiply
420,694.68x = 580,582.18 × 229,725.80 - Step 4: Simplify right side
420,694.68x = 133,374,705,766.24 - Step 5: Solve for x
x = 133,374,705,766.24/420,694.68 - Step 6: Final answer
x = 317,034.45
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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.