Finding the Fourth Proportional to 522,556.23, 783,691.97 and 143,387.07
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Solution
The fourth proportional to 522,556.23, 783,691.97 and 143,387.07 is: 215,041.54
Step by Step Solution
- Step 1: Write the proportion equation
522,556.23 : 783,691.97 = 143,387.07 : x - Step 2: Convert to fraction form
522,556.23/783,691.97 = 143,387.07/x - Step 3: Cross multiply
522,556.23x = 783,691.97 × 143,387.07 - Step 4: Simplify right side
522,556.23x = 112,371,293,264.28 - Step 5: Solve for x
x = 112,371,293,264.28/522,556.23 - Step 6: Final answer
x = 215,041.54
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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.