Finding the Fourth Proportional to 398,357.01, 597,754.26 and 187,989.48
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Solution
The fourth proportional to 398,357.01, 597,754.26 and 187,989.48 is: 282,087.45
Step by Step Solution
- Step 1: Write the proportion equation
398,357.01 : 597,754.26 = 187,989.48 : x - Step 2: Convert to fraction form
398,357.01/597,754.26 = 187,989.48/x - Step 3: Cross multiply
398,357.01x = 597,754.26 × 187,989.48 - Step 4: Simplify right side
398,357.01x = 112,371,512,505.19 - Step 5: Solve for x
x = 112,371,512,505.19/398,357.01 - Step 6: Final answer
x = 282,087.45
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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.