Finding the Fourth Proportional to 156,735.20, 235,102.80 and 134,184.80
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Solution
The fourth proportional to 156,735.20, 235,102.80 and 134,184.80 is: 201,277.20
Step by Step Solution
- Step 1: Write the proportion equation
156,735.20 : 235,102.80 = 134,184.80 : x - Step 2: Convert to fraction form
156,735.20/235,102.80 = 134,184.80/x - Step 3: Cross multiply
156,735.20x = 235,102.80 × 134,184.80 - Step 4: Simplify right side
156,735.20x = 31,547,222,197.44 - Step 5: Solve for x
x = 31,547,222,197.44/156,735.20 - Step 6: Final answer
x = 201,277.20
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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.