Finding the Fourth Proportional to 543,256.08, 749,657.03 and 328,514.55
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Solution
The fourth proportional to 543,256.08, 749,657.03 and 328,514.55 is: 453,328.09
Step by Step Solution
- Step 1: Write the proportion equation
543,256.08 : 749,657.03 = 328,514.55 : x - Step 2: Convert to fraction form
543,256.08/749,657.03 = 328,514.55/x - Step 3: Cross multiply
543,256.08x = 749,657.03 × 328,514.55 - Step 4: Simplify right side
543,256.08x = 246,273,240,222.21 - Step 5: Solve for x
x = 246,273,240,222.21/543,256.08 - Step 6: Final answer
x = 453,328.09
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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.