Finding the Fourth Proportional to 657,343.99, 986,163.68 and 208,091.80
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Solution
The fourth proportional to 657,343.99, 986,163.68 and 208,091.80 is: 312,184.45
Step by Step Solution
- Step 1: Write the proportion equation
657,343.99 : 986,163.68 = 208,091.80 : x - Step 2: Convert to fraction form
657,343.99/986,163.68 = 208,091.80/x - Step 3: Cross multiply
657,343.99x = 986,163.68 × 208,091.80 - Step 4: Simplify right side
657,343.99x = 205,212,574,225.37 - Step 5: Solve for x
x = 205,212,574,225.37/657,343.99 - Step 6: Final answer
x = 312,184.45
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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.