Finding the Fourth Proportional to 154,998.90, 232,643.88 and 76,169.70
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Solution
The fourth proportional to 154,998.90, 232,643.88 and 76,169.70 is: 114,326.07
Step by Step Solution
- Step 1: Write the proportion equation
154,998.90 : 232,643.88 = 76,169.70 : x - Step 2: Convert to fraction form
154,998.90/232,643.88 = 76,169.70/x - Step 3: Cross multiply
154,998.90x = 232,643.88 × 76,169.70 - Step 4: Simplify right side
154,998.90x = 17,720,414,546.44 - Step 5: Solve for x
x = 17,720,414,546.44/154,998.90 - Step 6: Final answer
x = 114,326.07
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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.