Finding the Fourth Proportional to 157,820.91, 236,733.52 and 52,639.98
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Solution
The fourth proportional to 157,820.91, 236,733.52 and 52,639.98 is: 78,960.69
Step by Step Solution
- Step 1: Write the proportion equation
157,820.91 : 236,733.52 = 52,639.98 : x - Step 2: Convert to fraction form
157,820.91/236,733.52 = 52,639.98/x - Step 3: Cross multiply
157,820.91x = 236,733.52 × 52,639.98 - Step 4: Simplify right side
157,820.91x = 12,461,647,758.13 - Step 5: Solve for x
x = 12,461,647,758.13/157,820.91 - Step 6: Final answer
x = 78,960.69
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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.