Finding the Fourth Proportional to 375,976.88, 518,881.36 and 206,244.08
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Solution
The fourth proportional to 375,976.88, 518,881.36 and 206,244.08 is: 284,635.08
Step by Step Solution
- Step 1: Write the proportion equation
375,976.88 : 518,881.36 = 206,244.08 : x - Step 2: Convert to fraction form
375,976.88/518,881.36 = 206,244.08/x - Step 3: Cross multiply
375,976.88x = 518,881.36 × 206,244.08 - Step 4: Simplify right side
375,976.88x = 107,016,208,722.35 - Step 5: Solve for x
x = 107,016,208,722.35/375,976.88 - Step 6: Final answer
x = 284,635.08
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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.