Finding the Fourth Proportional to 243,966.12, 336,674.94 and 136,546.08
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Solution
The fourth proportional to 243,966.12, 336,674.94 and 136,546.08 is: 188,434.54
Step by Step Solution
- Step 1: Write the proportion equation
243,966.12 : 336,674.94 = 136,546.08 : x - Step 2: Convert to fraction form
243,966.12/336,674.94 = 136,546.08/x - Step 3: Cross multiply
243,966.12x = 336,674.94 × 136,546.08 - Step 4: Simplify right side
243,966.12x = 45,971,643,291.24 - Step 5: Solve for x
x = 45,971,643,291.24/243,966.12 - Step 6: Final answer
x = 188,434.54
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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.