Finding the Fourth Proportional to 156,583.75, 234,874.99 and 56,720.57
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Solution
The fourth proportional to 156,583.75, 234,874.99 and 56,720.57 is: 85,080.62
Step by Step Solution
- Step 1: Write the proportion equation
156,583.75 : 234,874.99 = 56,720.57 : x - Step 2: Convert to fraction form
156,583.75/234,874.99 = 56,720.57/x - Step 3: Cross multiply
156,583.75x = 234,874.99 × 56,720.57 - Step 4: Simplify right side
156,583.75x = 13,322,243,311.54 - Step 5: Solve for x
x = 13,322,243,311.54/156,583.75 - Step 6: Final answer
x = 85,080.62
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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.