Finding the Fourth Proportional to 205,035.70, 307,553.55 and 57,291.70
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Solution
The fourth proportional to 205,035.70, 307,553.55 and 57,291.70 is: 85,937.55
Step by Step Solution
- Step 1: Write the proportion equation
205,035.70 : 307,553.55 = 57,291.70 : x - Step 2: Convert to fraction form
205,035.70/307,553.55 = 57,291.70/x - Step 3: Cross multiply
205,035.70x = 307,553.55 × 57,291.70 - Step 4: Simplify right side
205,035.70x = 17,620,265,720.54 - Step 5: Solve for x
x = 17,620,265,720.54/205,035.70 - Step 6: Final answer
x = 85,937.55
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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.