Finding the Fourth Proportional to 122,521.17, 183,793.10 and 47,646.95
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Solution
The fourth proportional to 122,521.17, 183,793.10 and 47,646.95 is: 71,474.84
Step by Step Solution
- Step 1: Write the proportion equation
122,521.17 : 183,793.10 = 47,646.95 : x - Step 2: Convert to fraction form
122,521.17/183,793.10 = 47,646.95/x - Step 3: Cross multiply
122,521.17x = 183,793.10 × 47,646.95 - Step 4: Simplify right side
122,521.17x = 8,757,180,646.05 - Step 5: Solve for x
x = 8,757,180,646.05/122,521.17 - Step 6: Final answer
x = 71,474.84
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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.