Finding the Fourth Proportional to 240,008.29, 330,963.36 and 206,128.96
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Solution
The fourth proportional to 240,008.29, 330,963.36 and 206,128.96 is: 284,244.90
Step by Step Solution
- Step 1: Write the proportion equation
240,008.29 : 330,963.36 = 206,128.96 : x - Step 2: Convert to fraction form
240,008.29/330,963.36 = 206,128.96/x - Step 3: Cross multiply
240,008.29x = 330,963.36 × 206,128.96 - Step 4: Simplify right side
240,008.29x = 68,221,133,194.91 - Step 5: Solve for x
x = 68,221,133,194.91/240,008.29 - Step 6: Final answer
x = 284,244.90
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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.