Finding the Fourth Proportional to 99,695.14, 149,586.78 and 52,298.92
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Solution
The fourth proportional to 99,695.14, 149,586.78 and 52,298.92 is: 78,471.50
Step by Step Solution
- Step 1: Write the proportion equation
99,695.14 : 149,586.78 = 52,298.92 : x - Step 2: Convert to fraction form
99,695.14/149,586.78 = 52,298.92/x - Step 3: Cross multiply
99,695.14x = 149,586.78 × 52,298.92 - Step 4: Simplify right side
99,695.14x = 7,823,227,040.28 - Step 5: Solve for x
x = 7,823,227,040.28/99,695.14 - Step 6: Final answer
x = 78,471.50
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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.