Finding the Fourth Proportional to 247,037.13, 340,912.43 and 133,860.09
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Solution
The fourth proportional to 247,037.13, 340,912.43 and 133,860.09 is: 184,727.57
Step by Step Solution
- Step 1: Write the proportion equation
247,037.13 : 340,912.43 = 133,860.09 : x - Step 2: Convert to fraction form
247,037.13/340,912.43 = 133,860.09/x - Step 3: Cross multiply
247,037.13x = 340,912.43 × 133,860.09 - Step 4: Simplify right side
247,037.13x = 45,634,567,892.62 - Step 5: Solve for x
x = 45,634,567,892.62/247,037.13 - Step 6: Final answer
x = 184,727.57
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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.