Finding the Fourth Proportional to 620,601.05, 930,901.62 and 199,876.92
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Solution
The fourth proportional to 620,601.05, 930,901.62 and 199,876.92 is: 299,815.40
Step by Step Solution
- Step 1: Write the proportion equation
620,601.05 : 930,901.62 = 199,876.92 : x - Step 2: Convert to fraction form
620,601.05/930,901.62 = 199,876.92/x - Step 3: Cross multiply
620,601.05x = 930,901.62 × 199,876.92 - Step 4: Simplify right side
620,601.05x = 186,065,750,561.44 - Step 5: Solve for x
x = 186,065,750,561.44/620,601.05 - Step 6: Final answer
x = 299,815.40
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1.5x scale
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.