Finding the Fourth Proportional to 135,217.70, 202,826.55 and 60,337.70
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Solution
The fourth proportional to 135,217.70, 202,826.55 and 60,337.70 is: 90,506.55
Step by Step Solution
- Step 1: Write the proportion equation
135,217.70 : 202,826.55 = 60,337.70 : x - Step 2: Convert to fraction form
135,217.70/202,826.55 = 60,337.70/x - Step 3: Cross multiply
135,217.70x = 202,826.55 × 60,337.70 - Step 4: Simplify right side
135,217.70x = 12,238,087,525.94 - Step 5: Solve for x
x = 12,238,087,525.94/135,217.70 - Step 6: Final answer
x = 90,506.55
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1.5x scale
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.