Finding the Fourth Proportional to 157,337.70, 235,984.95 and 52,145.70
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Solution
The fourth proportional to 157,337.70, 235,984.95 and 52,145.70 is: 78,211.39
Step by Step Solution
- Step 1: Write the proportion equation
157,337.70 : 235,984.95 = 52,145.70 : x - Step 2: Convert to fraction form
157,337.70/235,984.95 = 52,145.70/x - Step 3: Cross multiply
157,337.70x = 235,984.95 × 52,145.70 - Step 4: Simplify right side
157,337.70x = 12,305,600,407.22 - Step 5: Solve for x
x = 12,305,600,407.22/157,337.70 - Step 6: Final answer
x = 78,211.39
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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.