Finding the Fourth Proportional to 319,745.99, 441,249.03 and 176,505.69
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Solution
The fourth proportional to 319,745.99, 441,249.03 and 176,505.69 is: 243,577.61
Step by Step Solution
- Step 1: Write the proportion equation
319,745.99 : 441,249.03 = 176,505.69 : x - Step 2: Convert to fraction form
319,745.99/441,249.03 = 176,505.69/x - Step 3: Cross multiply
319,745.99x = 441,249.03 × 176,505.69 - Step 4: Simplify right side
319,745.99x = 77,882,964,501.98 - Step 5: Solve for x
x = 77,882,964,501.98/319,745.99 - Step 6: Final answer
x = 243,577.61
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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.