Finding the Fourth Proportional to 98,027.81, 147,027.79 and 31,459.31
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Solution
The fourth proportional to 98,027.81, 147,027.79 and 31,459.31 is: 47,184.50
Step by Step Solution
- Step 1: Write the proportion equation
98,027.81 : 147,027.79 = 31,459.31 : x - Step 2: Convert to fraction form
98,027.81/147,027.79 = 31,459.31/x - Step 3: Cross multiply
98,027.81x = 147,027.79 × 31,459.31 - Step 4: Simplify right side
98,027.81x = 4,625,392,824.22 - Step 5: Solve for x
x = 4,625,392,824.22/98,027.81 - Step 6: Final answer
x = 47,184.50
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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.