Finding the Fourth Proportional to 397,331.81, 548,324.73 and 216,044.96
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Solution
The fourth proportional to 397,331.81, 548,324.73 and 216,044.96 is: 298,145.76
Step by Step Solution
- Step 1: Write the proportion equation
397,331.81 : 548,324.73 = 216,044.96 : x - Step 2: Convert to fraction form
397,331.81/548,324.73 = 216,044.96/x - Step 3: Cross multiply
397,331.81x = 548,324.73 × 216,044.96 - Step 4: Simplify right side
397,331.81x = 118,462,791,618.24 - Step 5: Solve for x
x = 118,462,791,618.24/397,331.81 - Step 6: Final answer
x = 298,145.76
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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.