Finding the Fourth Proportional to 532,729.70, 798,414.15 and 216,829.70
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Solution
The fourth proportional to 532,729.70, 798,414.15 and 216,829.70 is: 324,967.62
Step by Step Solution
- Step 1: Write the proportion equation
532,729.70 : 798,414.15 = 216,829.70 : x - Step 2: Convert to fraction form
532,729.70/798,414.15 = 216,829.70/x - Step 3: Cross multiply
532,729.70x = 798,414.15 × 216,829.70 - Step 4: Simplify right side
532,729.70x = 173,119,900,620.26 - Step 5: Solve for x
x = 173,119,900,620.26/532,729.70 - Step 6: Final answer
x = 324,967.62
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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.