Finding the Fourth Proportional to 156,625.99, 234,965.78 and 61,806.68
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Solution
The fourth proportional to 156,625.99, 234,965.78 and 61,806.68 is: 92,720.59
Step by Step Solution
- Step 1: Write the proportion equation
156,625.99 : 234,965.78 = 61,806.68 : x - Step 2: Convert to fraction form
156,625.99/234,965.78 = 61,806.68/x - Step 3: Cross multiply
156,625.99x = 234,965.78 × 61,806.68 - Step 4: Simplify right side
156,625.99x = 14,522,454,404.44 - Step 5: Solve for x
x = 14,522,454,404.44/156,625.99 - Step 6: Final answer
x = 92,720.59
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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.