Finding the Fourth Proportional to 302,948.20, 418,099.62 and 182,128.84
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Solution
The fourth proportional to 302,948.20, 418,099.62 and 182,128.84 is: 251,356.50
Step by Step Solution
- Step 1: Write the proportion equation
302,948.20 : 418,099.62 = 182,128.84 : x - Step 2: Convert to fraction form
302,948.20/418,099.62 = 182,128.84/x - Step 3: Cross multiply
302,948.20x = 418,099.62 × 182,128.84 - Step 4: Simplify right side
302,948.20x = 76,147,998,795.04 - Step 5: Solve for x
x = 76,147,998,795.04/302,948.20 - Step 6: Final answer
x = 251,356.50
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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.