Finding the Fourth Proportional to 295,813.84, 408,222.96 and 161,677.84
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Solution
The fourth proportional to 295,813.84, 408,222.96 and 161,677.84 is: 223,115.34
Step by Step Solution
- Step 1: Write the proportion equation
295,813.84 : 408,222.96 = 161,677.84 : x - Step 2: Convert to fraction form
295,813.84/408,222.96 = 161,677.84/x - Step 3: Cross multiply
295,813.84x = 408,222.96 × 161,677.84 - Step 4: Simplify right side
295,813.84x = 66,000,606,411.21 - Step 5: Solve for x
x = 66,000,606,411.21/295,813.84 - Step 6: Final answer
x = 223,115.34
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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.