Finding the Fourth Proportional to 284,712.33, 392,963.09 and 236,919.09
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Solution
The fourth proportional to 284,712.33, 392,963.09 and 236,919.09 is: 326,998.33
Step by Step Solution
- Step 1: Write the proportion equation
284,712.33 : 392,963.09 = 236,919.09 : x - Step 2: Convert to fraction form
284,712.33/392,963.09 = 236,919.09/x - Step 3: Cross multiply
284,712.33x = 392,963.09 × 236,919.09 - Step 4: Simplify right side
284,712.33x = 93,100,456,501.79 - Step 5: Solve for x
x = 93,100,456,501.79/284,712.33 - Step 6: Final answer
x = 326,998.33
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1.5x scale
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.