Finding the Fourth Proportional to 366,921.20, 506,352.15 and 214,064.48
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Solution
The fourth proportional to 366,921.20, 506,352.15 and 214,064.48 is: 295,409.50
Step by Step Solution
- Step 1: Write the proportion equation
366,921.20 : 506,352.15 = 214,064.48 : x - Step 2: Convert to fraction form
366,921.20/506,352.15 = 214,064.48/x - Step 3: Cross multiply
366,921.20x = 506,352.15 × 214,064.48 - Step 4: Simplify right side
366,921.20x = 108,392,007,154.87 - Step 5: Solve for x
x = 108,392,007,154.87/366,921.20 - Step 6: Final answer
x = 295,409.50
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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.