Finding the Fourth Proportional to 397,334.81, 548,328.87 and 216,047.96
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Solution
The fourth proportional to 397,334.81, 548,328.87 and 216,047.96 is: 298,149.90
Step by Step Solution
- Step 1: Write the proportion equation
397,334.81 : 548,328.87 = 216,047.96 : x - Step 2: Convert to fraction form
397,334.81/548,328.87 = 216,047.96/x - Step 3: Cross multiply
397,334.81x = 548,328.87 × 216,047.96 - Step 4: Simplify right side
397,334.81x = 118,465,331,030.96 - Step 5: Solve for x
x = 118,465,331,030.96/397,334.81 - Step 6: Final answer
x = 298,149.90
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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.