Finding the Fourth Proportional to 315,277.21, 472,990.84 and 102,045.12
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Solution
The fourth proportional to 315,277.21, 472,990.84 and 102,045.12 is: 153,091.96
Step by Step Solution
- Step 1: Write the proportion equation
315,277.21 : 472,990.84 = 102,045.12 : x - Step 2: Convert to fraction form
315,277.21/472,990.84 = 102,045.12/x - Step 3: Cross multiply
315,277.21x = 472,990.84 × 102,045.12 - Step 4: Simplify right side
315,277.21x = 48,266,405,571.88 - Step 5: Solve for x
x = 48,266,405,571.88/315,277.21 - Step 6: Final answer
x = 153,091.96
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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.