Finding the Fourth Proportional to 356,245.56, 534,318.93 and 89,989.65
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Solution
The fourth proportional to 356,245.56, 534,318.93 and 89,989.65 is: 134,971.99
Step by Step Solution
- Step 1: Write the proportion equation
356,245.56 : 534,318.93 = 89,989.65 : x - Step 2: Convert to fraction form
356,245.56/534,318.93 = 89,989.65/x - Step 3: Cross multiply
356,245.56x = 534,318.93 × 89,989.65 - Step 4: Simplify right side
356,245.56x = 48,083,173,499.07 - Step 5: Solve for x
x = 48,083,173,499.07/356,245.56 - Step 6: Final answer
x = 134,971.99
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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.