Finding the Fourth Proportional to 434,561.05, 651,452.78 and 284,873.05
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Solution
The fourth proportional to 434,561.05, 651,452.78 and 284,873.05 is: 427,054.70
Step by Step Solution
- Step 1: Write the proportion equation
434,561.05 : 651,452.78 = 284,873.05 : x - Step 2: Convert to fraction form
434,561.05/651,452.78 = 284,873.05/x - Step 3: Cross multiply
434,561.05x = 651,452.78 × 284,873.05 - Step 4: Simplify right side
434,561.05x = 185,581,338,945.21 - Step 5: Solve for x
x = 185,581,338,945.21/434,561.05 - Step 6: Final answer
x = 427,054.70
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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.