Finding the Fourth Proportional to 620,601.14, 930,901.76 and 199,877.02
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Solution
The fourth proportional to 620,601.14, 930,901.76 and 199,877.02 is: 299,815.54
Step by Step Solution
- Step 1: Write the proportion equation
620,601.14 : 930,901.76 = 199,877.02 : x - Step 2: Convert to fraction form
620,601.14/930,901.76 = 199,877.02/x - Step 3: Cross multiply
620,601.14x = 930,901.76 × 199,877.02 - Step 4: Simplify right side
620,601.14x = 186,065,867,873.99 - Step 5: Solve for x
x = 186,065,867,873.99/620,601.14 - Step 6: Final answer
x = 299,815.54
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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.