Finding the Fourth Proportional to 398,064.36, 597,342.56 and 161,409.08
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Solution
The fourth proportional to 398,064.36, 597,342.56 and 161,409.08 is: 242,213.38
Step by Step Solution
- Step 1: Write the proportion equation
398,064.36 : 597,342.56 = 161,409.08 : x - Step 2: Convert to fraction form
398,064.36/597,342.56 = 161,409.08/x - Step 3: Cross multiply
398,064.36x = 597,342.56 × 161,409.08 - Step 4: Simplify right side
398,064.36x = 96,416,513,054.44 - Step 5: Solve for x
x = 96,416,513,054.44/398,064.36 - Step 6: Final answer
x = 242,213.38
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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.