Finding the Fourth Proportional to 266,849.06, 400,162.89 and 98,378.99
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Solution
The fourth proportional to 266,849.06, 400,162.89 and 98,378.99 is: 147,527.67
Step by Step Solution
- Step 1: Write the proportion equation
266,849.06 : 400,162.89 = 98,378.99 : x - Step 2: Convert to fraction form
266,849.06/400,162.89 = 98,378.99/x - Step 3: Cross multiply
266,849.06x = 400,162.89 × 98,378.99 - Step 4: Simplify right side
266,849.06x = 39,367,620,953.68 - Step 5: Solve for x
x = 39,367,620,953.68/266,849.06 - Step 6: Final answer
x = 147,527.67
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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.