Finding the Fourth Proportional to 434,998.20, 652,497.30 and 154,543.80
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Solution
The fourth proportional to 434,998.20, 652,497.30 and 154,543.80 is: 231,815.70
Step by Step Solution
- Step 1: Write the proportion equation
434,998.20 : 652,497.30 = 154,543.80 : x - Step 2: Convert to fraction form
434,998.20/652,497.30 = 154,543.80/x - Step 3: Cross multiply
434,998.20x = 652,497.30 × 154,543.80 - Step 4: Simplify right side
434,998.20x = 100,839,412,231.74 - Step 5: Solve for x
x = 100,839,412,231.74/434,998.20 - Step 6: Final answer
x = 231,815.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.