Finding the Fourth Proportional to 313,734.08, 432,914.88 and 177,783.68
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Solution
The fourth proportional to 313,734.08, 432,914.88 and 177,783.68 is: 245,319.86
Step by Step Solution
- Step 1: Write the proportion equation
313,734.08 : 432,914.88 = 177,783.68 : x - Step 2: Convert to fraction form
313,734.08/432,914.88 = 177,783.68/x - Step 3: Cross multiply
313,734.08x = 432,914.88 × 177,783.68 - Step 4: Simplify right side
313,734.08x = 76,965,200,493.16 - Step 5: Solve for x
x = 76,965,200,493.16/313,734.08 - Step 6: Final answer
x = 245,319.86
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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.