Finding the Fourth Proportional to 272,995.10, 376,706.66 and 152,125.08
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Solution
The fourth proportional to 272,995.10, 376,706.66 and 152,125.08 is: 209,917.80
Step by Step Solution
- Step 1: Write the proportion equation
272,995.10 : 376,706.66 = 152,125.08 : x - Step 2: Convert to fraction form
272,995.10/376,706.66 = 152,125.08/x - Step 3: Cross multiply
272,995.10x = 376,706.66 × 152,125.08 - Step 4: Simplify right side
272,995.10x = 57,306,530,789.03 - Step 5: Solve for x
x = 57,306,530,789.03/272,995.10 - Step 6: Final answer
x = 209,917.80
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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.