Finding the Fourth Proportional to 153,811.96, 230,716.52 and 48,630.96
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Solution
The fourth proportional to 153,811.96, 230,716.52 and 48,630.96 is: 72,945.99
Step by Step Solution
- Step 1: Write the proportion equation
153,811.96 : 230,716.52 = 48,630.96 : x - Step 2: Convert to fraction form
153,811.96/230,716.52 = 48,630.96/x - Step 3: Cross multiply
153,811.96x = 230,716.52 × 48,630.96 - Step 4: Simplify right side
153,811.96x = 11,219,965,855.46 - Step 5: Solve for x
x = 11,219,965,855.46/153,811.96 - Step 6: Final answer
x = 72,945.99
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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.