Finding the Fourth Proportional to 328,638.08, 453,524.96 and 185,397.68
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Solution
The fourth proportional to 328,638.08, 453,524.96 and 185,397.68 is: 255,851.29
Step by Step Solution
- Step 1: Write the proportion equation
328,638.08 : 453,524.96 = 185,397.68 : x - Step 2: Convert to fraction form
328,638.08/453,524.96 = 185,397.68/x - Step 3: Cross multiply
328,638.08x = 453,524.96 × 185,397.68 - Step 4: Simplify right side
328,638.08x = 84,082,475,406.09 - Step 5: Solve for x
x = 84,082,475,406.09/328,638.08 - Step 6: Final answer
x = 255,851.29
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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.