Finding the Fourth Proportional to 282,606.75, 389,997.99 and 153,545.67
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Solution
The fourth proportional to 282,606.75, 389,997.99 and 153,545.67 is: 211,893.39
Step by Step Solution
- Step 1: Write the proportion equation
282,606.75 : 389,997.99 = 153,545.67 : x - Step 2: Convert to fraction form
282,606.75/389,997.99 = 153,545.67/x - Step 3: Cross multiply
282,606.75x = 389,997.99 × 153,545.67 - Step 4: Simplify right side
282,606.75x = 59,882,502,673.20 - Step 5: Solve for x
x = 59,882,502,673.20/282,606.75 - Step 6: Final answer
x = 211,893.39
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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.