Finding the Fourth Proportional to 272,566.64, 408,849.96 and 122,631.68
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Solution
The fourth proportional to 272,566.64, 408,849.96 and 122,631.68 is: 183,947.52
Step by Step Solution
- Step 1: Write the proportion equation
272,566.64 : 408,849.96 = 122,631.68 : x - Step 2: Convert to fraction form
272,566.64/408,849.96 = 122,631.68/x - Step 3: Cross multiply
272,566.64x = 408,849.96 × 122,631.68 - Step 4: Simplify right side
272,566.64x = 50,137,957,462.73 - Step 5: Solve for x
x = 50,137,957,462.73/272,566.64 - Step 6: Final answer
x = 183,947.52
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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.