Finding the Fourth Proportional to 156,735.24, 235,142.64 and 72,556.08
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Solution
The fourth proportional to 156,735.24, 235,142.64 and 72,556.08 is: 108,852.54
Step by Step Solution
- Step 1: Write the proportion equation
156,735.24 : 235,142.64 = 72,556.08 : x - Step 2: Convert to fraction form
156,735.24/235,142.64 = 72,556.08/x - Step 3: Cross multiply
156,735.24x = 235,142.64 × 72,556.08 - Step 4: Simplify right side
156,735.24x = 17,061,028,199.25 - Step 5: Solve for x
x = 17,061,028,199.25/156,735.24 - Step 6: Final answer
x = 108,852.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.