Finding the Fourth Proportional to 133,040.10, 199,560.15 and 122,153.70
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Solution
The fourth proportional to 133,040.10, 199,560.15 and 122,153.70 is: 183,230.55
Step by Step Solution
- Step 1: Write the proportion equation
133,040.10 : 199,560.15 = 122,153.70 : x - Step 2: Convert to fraction form
133,040.10/199,560.15 = 122,153.70/x - Step 3: Cross multiply
133,040.10x = 199,560.15 × 122,153.70 - Step 4: Simplify right side
133,040.10x = 24,377,010,695.06 - Step 5: Solve for x
x = 24,377,010,695.06/133,040.10 - Step 6: Final answer
x = 183,230.55
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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.