Finding the Fourth Proportional to 328,903.08, 453,886.26 and 178,000.08
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Solution
The fourth proportional to 328,903.08, 453,886.26 and 178,000.08 is: 245,640.12
Step by Step Solution
- Step 1: Write the proportion equation
328,903.08 : 453,886.26 = 178,000.08 : x - Step 2: Convert to fraction form
328,903.08/453,886.26 = 178,000.08/x - Step 3: Cross multiply
328,903.08x = 453,886.26 × 178,000.08 - Step 4: Simplify right side
328,903.08x = 80,791,790,590.90 - Step 5: Solve for x
x = 80,791,790,590.90/328,903.08 - Step 6: Final answer
x = 245,640.12
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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.