Finding the Fourth Proportional to 627,742.10, 941,569.95 and 201,271.70
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Solution
The fourth proportional to 627,742.10, 941,569.95 and 201,271.70 is: 301,893.70
Step by Step Solution
- Step 1: Write the proportion equation
627,742.10 : 941,569.95 = 201,271.70 : x - Step 2: Convert to fraction form
627,742.10/941,569.95 = 201,271.70/x - Step 3: Cross multiply
627,742.10x = 941,569.95 × 201,271.70 - Step 4: Simplify right side
627,742.10x = 189,511,384,505.42 - Step 5: Solve for x
x = 189,511,384,505.42/627,742.10 - Step 6: Final answer
x = 301,893.70
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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.