Finding the Fourth Proportional to 148,965.58, 205,571.64 and 84,446.99
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Solution
The fourth proportional to 148,965.58, 205,571.64 and 84,446.99 is: 116,536.36
Step by Step Solution
- Step 1: Write the proportion equation
148,965.58 : 205,571.64 = 84,446.99 : x - Step 2: Convert to fraction form
148,965.58/205,571.64 = 84,446.99/x - Step 3: Cross multiply
148,965.58x = 205,571.64 × 84,446.99 - Step 4: Simplify right side
148,965.58x = 17,359,906,227.36 - Step 5: Solve for x
x = 17,359,906,227.36/148,965.58 - Step 6: Final answer
x = 116,536.36
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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.