Finding the Fourth Proportional to 302,311.48, 453,272.82 and 144,536.44
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Solution
The fourth proportional to 302,311.48, 453,272.82 and 144,536.44 is: 216,711.72
Step by Step Solution
- Step 1: Write the proportion equation
302,311.48 : 453,272.82 = 144,536.44 : x - Step 2: Convert to fraction form
302,311.48/453,272.82 = 144,536.44/x - Step 3: Cross multiply
302,311.48x = 453,272.82 × 144,536.44 - Step 4: Simplify right side
302,311.48x = 65,514,439,751.56 - Step 5: Solve for x
x = 65,514,439,751.56/302,311.48 - Step 6: Final answer
x = 216,711.72
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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.