Finding the Fourth Proportional to 398,156.88, 597,480.76 and 161,501.62
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Solution
The fourth proportional to 398,156.88, 597,480.76 and 161,501.62 is: 242,351.99
Step by Step Solution
- Step 1: Write the proportion equation
398,156.88 : 597,480.76 = 161,501.62 : x - Step 2: Convert to fraction form
398,156.88/597,480.76 = 161,501.62/x - Step 3: Cross multiply
398,156.88x = 597,480.76 × 161,501.62 - Step 4: Simplify right side
398,156.88x = 96,494,110,658.83 - Step 5: Solve for x
x = 96,494,110,658.83/398,156.88 - Step 6: Final answer
x = 242,351.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.