Finding the Fourth Proportional to 272,624.21, 408,941.79 and 72,944.28
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Solution
The fourth proportional to 272,624.21, 408,941.79 and 72,944.28 is: 109,417.88
Step by Step Solution
- Step 1: Write the proportion equation
272,624.21 : 408,941.79 = 72,944.28 : x - Step 2: Convert to fraction form
272,624.21/408,941.79 = 72,944.28/x - Step 3: Cross multiply
272,624.21x = 408,941.79 × 72,944.28 - Step 4: Simplify right side
272,624.21x = 29,829,964,365.08 - Step 5: Solve for x
x = 29,829,964,365.08/272,624.21 - Step 6: Final answer
x = 109,417.88
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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.