Finding the Fourth Proportional to 306,041.15, 422,303.24 and 176,960.09
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Solution
The fourth proportional to 306,041.15, 422,303.24 and 176,960.09 is: 244,185.52
Step by Step Solution
- Step 1: Write the proportion equation
306,041.15 : 422,303.24 = 176,960.09 : x - Step 2: Convert to fraction form
306,041.15/422,303.24 = 176,960.09/x - Step 3: Cross multiply
306,041.15x = 422,303.24 × 176,960.09 - Step 4: Simplify right side
306,041.15x = 74,730,816,361.38 - Step 5: Solve for x
x = 74,730,816,361.38/306,041.15 - Step 6: Final answer
x = 244,185.52
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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.