Finding the Fourth Proportional to 398,006.75, 597,088.91 and 113,699.75
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Solution
The fourth proportional to 398,006.75, 597,088.91 and 113,699.75 is: 170,572.12
Step by Step Solution
- Step 1: Write the proportion equation
398,006.75 : 597,088.91 = 113,699.75 : x - Step 2: Convert to fraction form
398,006.75/597,088.91 = 113,699.75/x - Step 3: Cross multiply
398,006.75x = 597,088.91 × 113,699.75 - Step 4: Simplify right side
398,006.75x = 67,888,856,240.83 - Step 5: Solve for x
x = 67,888,856,240.83/398,006.75 - Step 6: Final answer
x = 170,572.12
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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.