Finding the Fourth Proportional to 363,988.59, 546,060.65 and 127,338.99
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Solution
The fourth proportional to 363,988.59, 546,060.65 and 127,338.99 is: 191,035.69
Step by Step Solution
- Step 1: Write the proportion equation
363,988.59 : 546,060.65 = 127,338.99 : x - Step 2: Convert to fraction form
363,988.59/546,060.65 = 127,338.99/x - Step 3: Cross multiply
363,988.59x = 546,060.65 × 127,338.99 - Step 4: Simplify right side
363,988.59x = 69,534,811,013.05 - Step 5: Solve for x
x = 69,534,811,013.05/363,988.59 - Step 6: Final answer
x = 191,035.69
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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.