Finding the Fourth Proportional to 385,110.34, 577,678.69 and 132,388.67
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Solution
The fourth proportional to 385,110.34, 577,678.69 and 132,388.67 is: 198,587.53
Step by Step Solution
- Step 1: Write the proportion equation
385,110.34 : 577,678.69 = 132,388.67 : x - Step 2: Convert to fraction form
385,110.34/577,678.69 = 132,388.67/x - Step 3: Cross multiply
385,110.34x = 577,678.69 × 132,388.67 - Step 4: Simplify right side
385,110.34x = 76,478,111,350.30 - Step 5: Solve for x
x = 76,478,111,350.30/385,110.34 - Step 6: Final answer
x = 198,587.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.