Finding the Fourth Proportional to 572,197.26, 789,551.58 and 342,700.80
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Solution
The fourth proportional to 572,197.26, 789,551.58 and 342,700.80 is: 472,878.81
Step by Step Solution
- Step 1: Write the proportion equation
572,197.26 : 789,551.58 = 342,700.80 : x - Step 2: Convert to fraction form
572,197.26/789,551.58 = 342,700.80/x - Step 3: Cross multiply
572,197.26x = 789,551.58 × 342,700.80 - Step 4: Simplify right side
572,197.26x = 270,579,958,107.26 - Step 5: Solve for x
x = 270,579,958,107.26/572,197.26 - Step 6: Final answer
x = 472,878.81
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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.