Finding the Fourth Proportional to 398,400.91, 597,551.61 and 161,515.99
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Solution
The fourth proportional to 398,400.91, 597,551.61 and 161,515.99 is: 242,253.81
Step by Step Solution
- Step 1: Write the proportion equation
398,400.91 : 597,551.61 = 161,515.99 : x - Step 2: Convert to fraction form
398,400.91/597,551.61 = 161,515.99/x - Step 3: Cross multiply
398,400.91x = 597,551.61 × 161,515.99 - Step 4: Simplify right side
398,400.91x = 96,514,139,865.24 - Step 5: Solve for x
x = 96,514,139,865.24/398,400.91 - Step 6: Final answer
x = 242,253.81
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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.