Finding the Fourth Proportional to 396,446.76, 594,664.79 and 96,929.91
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Solution
The fourth proportional to 396,446.76, 594,664.79 and 96,929.91 is: 145,393.56
Step by Step Solution
- Step 1: Write the proportion equation
396,446.76 : 594,664.79 = 96,929.91 : x - Step 2: Convert to fraction form
396,446.76/594,664.79 = 96,929.91/x - Step 3: Cross multiply
396,446.76x = 594,664.79 × 96,929.91 - Step 4: Simplify right side
396,446.76x = 57,640,804,090.22 - Step 5: Solve for x
x = 57,640,804,090.22/396,446.76 - Step 6: Final answer
x = 145,393.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.