Finding the Fourth Proportional to 379,708.20, 569,562.30 and 202,123.80
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Solution
The fourth proportional to 379,708.20, 569,562.30 and 202,123.80 is: 303,185.70
Step by Step Solution
- Step 1: Write the proportion equation
379,708.20 : 569,562.30 = 202,123.80 : x - Step 2: Convert to fraction form
379,708.20/569,562.30 = 202,123.80/x - Step 3: Cross multiply
379,708.20x = 569,562.30 × 202,123.80 - Step 4: Simplify right side
379,708.20x = 115,122,096,412.74 - Step 5: Solve for x
x = 115,122,096,412.74/379,708.20 - Step 6: Final answer
x = 303,185.70
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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.