Finding the Fourth Proportional to 272,917.80, 409,376.70 and 202,933.80
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Solution
The fourth proportional to 272,917.80, 409,376.70 and 202,933.80 is: 304,400.70
Step by Step Solution
- Step 1: Write the proportion equation
272,917.80 : 409,376.70 = 202,933.80 : x - Step 2: Convert to fraction form
272,917.80/409,376.70 = 202,933.80/x - Step 3: Cross multiply
272,917.80x = 409,376.70 × 202,933.80 - Step 4: Simplify right side
272,917.80x = 83,076,369,362.46 - Step 5: Solve for x
x = 83,076,369,362.46/272,917.80 - Step 6: Final answer
x = 304,400.70
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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.