Finding the Fourth Proportional to 328,609.08, 453,603.18 and 255,867.96
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Solution
The fourth proportional to 328,609.08, 453,603.18 and 255,867.96 is: 353,193.28
Step by Step Solution
- Step 1: Write the proportion equation
328,609.08 : 453,603.18 = 255,867.96 : x - Step 2: Convert to fraction form
328,609.08/453,603.18 = 255,867.96/x - Step 3: Cross multiply
328,609.08x = 453,603.18 × 255,867.96 - Step 4: Simplify right side
328,609.08x = 116,062,520,316.11 - Step 5: Solve for x
x = 116,062,520,316.11/328,609.08 - Step 6: Final answer
x = 353,193.28
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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.