Finding the Fourth Proportional to 132,628.68, 183,027.06 and 72,202.68
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Solution
The fourth proportional to 132,628.68, 183,027.06 and 72,202.68 is: 99,639.42
Step by Step Solution
- Step 1: Write the proportion equation
132,628.68 : 183,027.06 = 72,202.68 : x - Step 2: Convert to fraction form
132,628.68/183,027.06 = 72,202.68/x - Step 3: Cross multiply
132,628.68x = 183,027.06 × 72,202.68 - Step 4: Simplify right side
132,628.68x = 13,215,044,244.52 - Step 5: Solve for x
x = 13,215,044,244.52/132,628.68 - Step 6: Final answer
x = 99,639.42
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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.