Finding the Fourth Proportional to 560,854.50, 773,975.20 and 306,205.68
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Solution
The fourth proportional to 560,854.50, 773,975.20 and 306,205.68 is: 422,561.65
Step by Step Solution
- Step 1: Write the proportion equation
560,854.50 : 773,975.20 = 306,205.68 : x - Step 2: Convert to fraction form
560,854.50/773,975.20 = 306,205.68/x - Step 3: Cross multiply
560,854.50x = 773,975.20 × 306,205.68 - Step 4: Simplify right side
560,854.50x = 236,995,602,419.14 - Step 5: Solve for x
x = 236,995,602,419.14/560,854.50 - Step 6: Final answer
x = 422,561.65
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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.