Finding the Fourth Proportional to 410,403.09, 566,591.85 and 312,841.02
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Solution
The fourth proportional to 410,403.09, 566,591.85 and 312,841.02 is: 431,900.19
Step by Step Solution
- Step 1: Write the proportion equation
410,403.09 : 566,591.85 = 312,841.02 : x - Step 2: Convert to fraction form
410,403.09/566,591.85 = 312,841.02/x - Step 3: Cross multiply
410,403.09x = 566,591.85 × 312,841.02 - Step 4: Simplify right side
410,403.09x = 177,253,172,277.69 - Step 5: Solve for x
x = 177,253,172,277.69/410,403.09 - Step 6: Final answer
x = 431,900.19
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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.