Finding the Fourth Proportional to 207,156.69, 310,739.22 and 64,998.99
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Solution
The fourth proportional to 207,156.69, 310,739.22 and 64,998.99 is: 97,499.80
Step by Step Solution
- Step 1: Write the proportion equation
207,156.69 : 310,739.22 = 64,998.99 : x - Step 2: Convert to fraction form
207,156.69/310,739.22 = 64,998.99/x - Step 3: Cross multiply
207,156.69x = 310,739.22 × 64,998.99 - Step 4: Simplify right side
207,156.69x = 20,197,735,453.39 - Step 5: Solve for x
x = 20,197,735,453.39/207,156.69 - Step 6: Final answer
x = 97,499.80
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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.