Finding the Fourth Proportional to 313,148.05, 432,165.68 and 177,181.99
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Solution
The fourth proportional to 313,148.05, 432,165.68 and 177,181.99 is: 244,523.24
Step by Step Solution
- Step 1: Write the proportion equation
313,148.05 : 432,165.68 = 177,181.99 : x - Step 2: Convert to fraction form
313,148.05/432,165.68 = 177,181.99/x - Step 3: Cross multiply
313,148.05x = 432,165.68 × 177,181.99 - Step 4: Simplify right side
313,148.05x = 76,571,975,192.10 - Step 5: Solve for x
x = 76,571,975,192.10/313,148.05 - Step 6: Final answer
x = 244,523.24
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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.