Finding the Fourth Proportional to 216,934.74, 324,158.45 and 165,357.99
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Solution
The fourth proportional to 216,934.74, 324,158.45 and 165,357.99 is: 247,089.00
Step by Step Solution
- Step 1: Write the proportion equation
216,934.74 : 324,158.45 = 165,357.99 : x - Step 2: Convert to fraction form
216,934.74/324,158.45 = 165,357.99/x - Step 3: Cross multiply
216,934.74x = 324,158.45 × 165,357.99 - Step 4: Simplify right side
216,934.74x = 53,602,188,906.73 - Step 5: Solve for x
x = 53,602,188,906.73/216,934.74 - Step 6: Final answer
x = 247,089.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.