Finding the Fourth Proportional to 147,766.58, 203,906.36 and 87,325.73
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Solution
The fourth proportional to 147,766.58, 203,906.36 and 87,325.73 is: 120,502.70
Step by Step Solution
- Step 1: Write the proportion equation
147,766.58 : 203,906.36 = 87,325.73 : x - Step 2: Convert to fraction form
147,766.58/203,906.36 = 87,325.73/x - Step 3: Cross multiply
147,766.58x = 203,906.36 × 87,325.73 - Step 4: Simplify right side
147,766.58x = 17,806,271,302.01 - Step 5: Solve for x
x = 17,806,271,302.01/147,766.58 - Step 6: Final answer
x = 120,502.70
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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.