Finding the Fourth Proportional to 355,991.19, 533,614.98 and 213,836.19
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Solution
The fourth proportional to 355,991.19, 533,614.98 and 213,836.19 is: 320,530.95
Step by Step Solution
- Step 1: Write the proportion equation
355,991.19 : 533,614.98 = 213,836.19 : x - Step 2: Convert to fraction form
355,991.19/533,614.98 = 213,836.19/x - Step 3: Cross multiply
355,991.19x = 533,614.98 × 213,836.19 - Step 4: Simplify right side
355,991.19x = 114,106,193,050.96 - Step 5: Solve for x
x = 114,106,193,050.96/355,991.19 - Step 6: Final answer
x = 320,530.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.