Finding the Fourth Proportional to 133,049.70, 199,574.55 and 59,177.70
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Solution
The fourth proportional to 133,049.70, 199,574.55 and 59,177.70 is: 88,766.55
Step by Step Solution
- Step 1: Write the proportion equation
133,049.70 : 199,574.55 = 59,177.70 : x - Step 2: Convert to fraction form
133,049.70/199,574.55 = 59,177.70/x - Step 3: Cross multiply
133,049.70x = 199,574.55 × 59,177.70 - Step 4: Simplify right side
133,049.70x = 11,810,362,847.54 - Step 5: Solve for x
x = 11,810,362,847.54/133,049.70 - Step 6: Final answer
x = 88,766.55
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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.