Finding the Fourth Proportional to 215,579.14, 323,169.18 and 110,165.74
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Solution
The fourth proportional to 215,579.14, 323,169.18 and 110,165.74 is: 165,146.65
Step by Step Solution
- Step 1: Write the proportion equation
215,579.14 : 323,169.18 = 110,165.74 : x - Step 2: Convert to fraction form
215,579.14/323,169.18 = 110,165.74/x - Step 3: Cross multiply
215,579.14x = 323,169.18 × 110,165.74 - Step 4: Simplify right side
215,579.14x = 35,602,171,859.89 - Step 5: Solve for x
x = 35,602,171,859.89/215,579.14 - Step 6: Final answer
x = 165,146.65
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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.