Finding the Fourth Proportional to 127,928.24, 176,536.64 and 70,569.84
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Solution
The fourth proportional to 127,928.24, 176,536.64 and 70,569.84 is: 97,383.99
Step by Step Solution
- Step 1: Write the proportion equation
127,928.24 : 176,536.64 = 70,569.84 : x - Step 2: Convert to fraction form
127,928.24/176,536.64 = 70,569.84/x - Step 3: Cross multiply
127,928.24x = 176,536.64 × 70,569.84 - Step 4: Simplify right side
127,928.24x = 12,458,162,438.94 - Step 5: Solve for x
x = 12,458,162,438.94/127,928.24 - Step 6: Final answer
x = 97,383.99
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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.