Finding the Fourth Proportional to 400,910.24, 552,874.56 and 239,739.68
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Solution
The fourth proportional to 400,910.24, 552,874.56 and 239,739.68 is: 330,612.58
Step by Step Solution
- Step 1: Write the proportion equation
400,910.24 : 552,874.56 = 239,739.68 : x - Step 2: Convert to fraction form
400,910.24/552,874.56 = 239,739.68/x - Step 3: Cross multiply
400,910.24x = 552,874.56 × 239,739.68 - Step 4: Simplify right side
400,910.24x = 132,545,970,094.54 - Step 5: Solve for x
x = 132,545,970,094.54/400,910.24 - Step 6: Final answer
x = 330,612.58
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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.