Finding the Fourth Proportional to 547,972.70, 756,169.73 and 302,942.76
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Solution
The fourth proportional to 547,972.70, 756,169.73 and 302,942.76 is: 418,042.99
Step by Step Solution
- Step 1: Write the proportion equation
547,972.70 : 756,169.73 = 302,942.76 : x - Step 2: Convert to fraction form
547,972.70/756,169.73 = 302,942.76/x - Step 3: Cross multiply
547,972.70x = 756,169.73 × 302,942.76 - Step 4: Simplify right side
547,972.70x = 229,076,143,519.94 - Step 5: Solve for x
x = 229,076,143,519.94/547,972.70 - Step 6: Final answer
x = 418,042.99
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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.