Finding the Fourth Proportional to 272,631.36, 376,378.96 and 191,209.68
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Solution
The fourth proportional to 272,631.36, 376,378.96 and 191,209.68 is: 263,972.94
Step by Step Solution
- Step 1: Write the proportion equation
272,631.36 : 376,378.96 = 191,209.68 : x - Step 2: Convert to fraction form
272,631.36/376,378.96 = 191,209.68/x - Step 3: Cross multiply
272,631.36x = 376,378.96 × 191,209.68 - Step 4: Simplify right side
272,631.36x = 71,967,300,500.33 - Step 5: Solve for x
x = 71,967,300,500.33/272,631.36 - Step 6: Final answer
x = 263,972.94
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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.