Finding the Fourth Proportional to 157,691.70, 236,575.35 and 52,511.62
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Solution
The fourth proportional to 157,691.70, 236,575.35 and 52,511.62 is: 78,780.02
Step by Step Solution
- Step 1: Write the proportion equation
157,691.70 : 236,575.35 = 52,511.62 : x - Step 2: Convert to fraction form
157,691.70/236,575.35 = 52,511.62/x - Step 3: Cross multiply
157,691.70x = 236,575.35 × 52,511.62 - Step 4: Simplify right side
157,691.70x = 12,422,954,880.57 - Step 5: Solve for x
x = 12,422,954,880.57/157,691.70 - Step 6: Final answer
x = 78,780.02
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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.