Finding the Fourth Proportional to 304,163.96, 419,748.98 and 168,207.05
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Solution
The fourth proportional to 304,163.96, 419,748.98 and 168,207.05 is: 232,127.23
Step by Step Solution
- Step 1: Write the proportion equation
304,163.96 : 419,748.98 = 168,207.05 : x - Step 2: Convert to fraction form
304,163.96/419,748.98 = 168,207.05/x - Step 3: Cross multiply
304,163.96x = 419,748.98 × 168,207.05 - Step 4: Simplify right side
304,163.96x = 70,604,737,666.31 - Step 5: Solve for x
x = 70,604,737,666.31/304,163.96 - Step 6: Final answer
x = 232,127.23
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1.5x scale
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.