Finding the Fourth Proportional to 177,707.82, 245,243.39 and 97,140.81
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Solution
The fourth proportional to 177,707.82, 245,243.39 and 97,140.81 is: 134,057.92
Step by Step Solution
- Step 1: Write the proportion equation
177,707.82 : 245,243.39 = 97,140.81 : x - Step 2: Convert to fraction form
177,707.82/245,243.39 = 97,140.81/x - Step 3: Cross multiply
177,707.82x = 245,243.39 × 97,140.81 - Step 4: Simplify right side
177,707.82x = 23,823,141,066.04 - Step 5: Solve for x
x = 23,823,141,066.04/177,707.82 - Step 6: Final answer
x = 134,057.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.