Finding the Fourth Proportional to 282,545.74, 389,934.98 and 161,724.93
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Solution
The fourth proportional to 282,545.74, 389,934.98 and 161,724.93 is: 223,192.92
Step by Step Solution
- Step 1: Write the proportion equation
282,545.74 : 389,934.98 = 161,724.93 : x - Step 2: Convert to fraction form
282,545.74/389,934.98 = 161,724.93/x - Step 3: Cross multiply
282,545.74x = 389,934.98 × 161,724.93 - Step 4: Simplify right side
282,545.74x = 63,062,207,345.05 - Step 5: Solve for x
x = 63,062,207,345.05/282,545.74 - Step 6: Final answer
x = 223,192.92
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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.