Finding the Fourth Proportional to 296,514.17, 409,187.81 and 160,545.31
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Solution
The fourth proportional to 296,514.17, 409,187.81 and 160,545.31 is: 221,551.59
Step by Step Solution
- Step 1: Write the proportion equation
296,514.17 : 409,187.81 = 160,545.31 : x - Step 2: Convert to fraction form
296,514.17/409,187.81 = 160,545.31/x - Step 3: Cross multiply
296,514.17x = 409,187.81 × 160,545.31 - Step 4: Simplify right side
296,514.17x = 65,693,183,804.67 - Step 5: Solve for x
x = 65,693,183,804.67/296,514.17 - Step 6: Final answer
x = 221,551.59
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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.