Finding the Fourth Proportional to 216,901.83, 324,929.01 and 149,421.95
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Solution
The fourth proportional to 216,901.83, 324,929.01 and 149,421.95 is: 223,841.02
Step by Step Solution
- Step 1: Write the proportion equation
216,901.83 : 324,929.01 = 149,421.95 : x - Step 2: Convert to fraction form
216,901.83/324,929.01 = 149,421.95/x - Step 3: Cross multiply
216,901.83x = 324,929.01 × 149,421.95 - Step 4: Simplify right side
216,901.83x = 48,551,526,285.77 - Step 5: Solve for x
x = 48,551,526,285.77/216,901.83 - Step 6: Final answer
x = 223,841.02
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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.