Finding the Fourth Proportional to 328,902.08, 453,884.88 and 177,999.08
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Solution
The fourth proportional to 328,902.08, 453,884.88 and 177,999.08 is: 245,638.74
Step by Step Solution
- Step 1: Write the proportion equation
328,902.08 : 453,884.88 = 177,999.08 : x - Step 2: Convert to fraction form
328,902.08/453,884.88 = 177,999.08/x - Step 3: Cross multiply
328,902.08x = 453,884.88 × 177,999.08 - Step 4: Simplify right side
328,902.08x = 80,791,091,904.43 - Step 5: Solve for x
x = 80,791,091,904.43/328,902.08 - Step 6: Final answer
x = 245,638.74
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1.5x scale
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.