Finding the Fourth Proportional to 356,234.82, 534,346.75 and 143,056.99
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Solution
The fourth proportional to 356,234.82, 534,346.75 and 143,056.99 is: 214,583.28
Step by Step Solution
- Step 1: Write the proportion equation
356,234.82 : 534,346.75 = 143,056.99 : x - Step 2: Convert to fraction form
356,234.82/534,346.75 = 143,056.99/x - Step 3: Cross multiply
356,234.82x = 534,346.75 × 143,056.99 - Step 4: Simplify right side
356,234.82x = 76,442,037,671.28 - Step 5: Solve for x
x = 76,442,037,671.28/356,234.82 - Step 6: Final answer
x = 214,583.28
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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.