Finding the Fourth Proportional to 99,702.74, 149,582.34 and 40,580.84
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Solution
The fourth proportional to 99,702.74, 149,582.34 and 40,580.84 is: 60,882.75
Step by Step Solution
- Step 1: Write the proportion equation
99,702.74 : 149,582.34 = 40,580.84 : x - Step 2: Convert to fraction form
99,702.74/149,582.34 = 40,580.84/x - Step 3: Cross multiply
99,702.74x = 149,582.34 × 40,580.84 - Step 4: Simplify right side
99,702.74x = 6,070,177,006.37 - Step 5: Solve for x
x = 6,070,177,006.37/99,702.74 - Step 6: Final answer
x = 60,882.75
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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.