Finding the Fourth Proportional to 548,719.36, 757,189.56 and 306,982.96
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Solution
The fourth proportional to 548,719.36, 757,189.56 and 306,982.96 is: 423,612.34
Step by Step Solution
- Step 1: Write the proportion equation
548,719.36 : 757,189.56 = 306,982.96 : x - Step 2: Convert to fraction form
548,719.36/757,189.56 = 306,982.96/x - Step 3: Cross multiply
548,719.36x = 757,189.56 × 306,982.96 - Step 4: Simplify right side
548,719.36x = 232,444,292,409.90 - Step 5: Solve for x
x = 232,444,292,409.90/548,719.36 - Step 6: Final answer
x = 423,612.34
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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.