Finding the Fourth Proportional to 229,209.53, 343,833.21 and 71,437.95
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Solution
The fourth proportional to 229,209.53, 343,833.21 and 71,437.95 is: 107,162.82
Step by Step Solution
- Step 1: Write the proportion equation
229,209.53 : 343,833.21 = 71,437.95 : x - Step 2: Convert to fraction form
229,209.53/343,833.21 = 71,437.95/x - Step 3: Cross multiply
229,209.53x = 343,833.21 × 71,437.95 - Step 4: Simplify right side
229,209.53x = 24,562,739,664.32 - Step 5: Solve for x
x = 24,562,739,664.32/229,209.53 - Step 6: Final answer
x = 107,162.82
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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.