Finding the Fourth Proportional to 547,342.08, 755,324.92 and 305,628.78
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Solution
The fourth proportional to 547,342.08, 755,324.92 and 305,628.78 is: 421,763.72
Step by Step Solution
- Step 1: Write the proportion equation
547,342.08 : 755,324.92 = 305,628.78 : x - Step 2: Convert to fraction form
547,342.08/755,324.92 = 305,628.78/x - Step 3: Cross multiply
547,342.08x = 755,324.92 × 305,628.78 - Step 4: Simplify right side
547,342.08x = 230,849,033,803.20 - Step 5: Solve for x
x = 230,849,033,803.20/547,342.08 - Step 6: Final answer
x = 421,763.72
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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.