Finding the Fourth Proportional to 242,473.24, 334,623.41 and 135,043.28
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Solution
The fourth proportional to 242,473.24, 334,623.41 and 135,043.28 is: 186,365.48
Step by Step Solution
- Step 1: Write the proportion equation
242,473.24 : 334,623.41 = 135,043.28 : x - Step 2: Convert to fraction form
242,473.24/334,623.41 = 135,043.28/x - Step 3: Cross multiply
242,473.24x = 334,623.41 × 135,043.28 - Step 4: Simplify right side
242,473.24x = 45,188,641,515.68 - Step 5: Solve for x
x = 45,188,641,515.68/242,473.24 - Step 6: Final answer
x = 186,365.48
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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.