Finding the Fourth Proportional to 272,965.15, 376,693.41 and 158,311.75
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Solution
The fourth proportional to 272,965.15, 376,693.41 and 158,311.75 is: 218,471.09
Step by Step Solution
- Step 1: Write the proportion equation
272,965.15 : 376,693.41 = 158,311.75 : x - Step 2: Convert to fraction form
272,965.15/376,693.41 = 158,311.75/x - Step 3: Cross multiply
272,965.15x = 376,693.41 × 158,311.75 - Step 4: Simplify right side
272,965.15x = 59,634,992,950.57 - Step 5: Solve for x
x = 59,634,992,950.57/272,965.15 - Step 6: Final answer
x = 218,471.09
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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.