Finding the Fourth Proportional to 207,185.12, 310,777.68 and 137,048.02
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Solution
The fourth proportional to 207,185.12, 310,777.68 and 137,048.02 is: 205,572.03
Step by Step Solution
- Step 1: Write the proportion equation
207,185.12 : 310,777.68 = 137,048.02 : x - Step 2: Convert to fraction form
207,185.12/310,777.68 = 137,048.02/x - Step 3: Cross multiply
207,185.12x = 310,777.68 × 137,048.02 - Step 4: Simplify right side
207,185.12x = 42,591,465,704.19 - Step 5: Solve for x
x = 42,591,465,704.19/207,185.12 - Step 6: Final answer
x = 205,572.03
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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.