Finding the Fourth Proportional to 202,899.80, 279,951.36 and 131,193.52
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Solution
The fourth proportional to 202,899.80, 279,951.36 and 131,193.52 is: 181,014.49
Step by Step Solution
- Step 1: Write the proportion equation
202,899.80 : 279,951.36 = 131,193.52 : x - Step 2: Convert to fraction form
202,899.80/279,951.36 = 131,193.52/x - Step 3: Cross multiply
202,899.80x = 279,951.36 × 131,193.52 - Step 4: Simplify right side
202,899.80x = 36,727,804,347.19 - Step 5: Solve for x
x = 36,727,804,347.19/202,899.80 - Step 6: Final answer
x = 181,014.49
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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.