Finding the Fourth Proportional to 155,428.32, 232,966.08 and 136,672.08
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Solution
The fourth proportional to 155,428.32, 232,966.08 and 136,672.08 is: 204,853.01
Step by Step Solution
- Step 1: Write the proportion equation
155,428.32 : 232,966.08 = 136,672.08 : x - Step 2: Convert to fraction form
155,428.32/232,966.08 = 136,672.08/x - Step 3: Cross multiply
155,428.32x = 232,966.08 × 136,672.08 - Step 4: Simplify right side
155,428.32x = 31,839,958,723.05 - Step 5: Solve for x
x = 31,839,958,723.05/155,428.32 - Step 6: Final answer
x = 204,853.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.