Finding the Fourth Proportional to 514,486.08, 771,910.56 and 159,589.44
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Solution
The fourth proportional to 514,486.08, 771,910.56 and 159,589.44 is: 239,440.44
Step by Step Solution
- Step 1: Write the proportion equation
514,486.08 : 771,910.56 = 159,589.44 : x - Step 2: Convert to fraction form
514,486.08/771,910.56 = 159,589.44/x - Step 3: Cross multiply
514,486.08x = 771,910.56 × 159,589.44 - Step 4: Simplify right side
514,486.08x = 123,188,774,000.49 - Step 5: Solve for x
x = 123,188,774,000.49/514,486.08 - Step 6: Final answer
x = 239,440.44
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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.