Finding the Fourth Proportional to 366,891.76, 506,315.68 and 221,677.26
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Solution
The fourth proportional to 366,891.76, 506,315.68 and 221,677.26 is: 305,917.66
Step by Step Solution
- Step 1: Write the proportion equation
366,891.76 : 506,315.68 = 221,677.26 : x - Step 2: Convert to fraction form
366,891.76/506,315.68 = 221,677.26/x - Step 3: Cross multiply
366,891.76x = 506,315.68 × 221,677.26 - Step 4: Simplify right side
366,891.76x = 112,238,670,184.56 - Step 5: Solve for x
x = 112,238,670,184.56/366,891.76 - Step 6: Final answer
x = 305,917.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.