Finding the Fourth Proportional to 211,205.92, 291,225.36 and 134,622.88
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Solution
The fourth proportional to 211,205.92, 291,225.36 and 134,622.88 is: 185,627.36
Step by Step Solution
- Step 1: Write the proportion equation
211,205.92 : 291,225.36 = 134,622.88 : x - Step 2: Convert to fraction form
211,205.92/291,225.36 = 134,622.88/x - Step 3: Cross multiply
211,205.92x = 291,225.36 × 134,622.88 - Step 4: Simplify right side
211,205.92x = 39,205,596,692.24 - Step 5: Solve for x
x = 39,205,596,692.24/211,205.92 - Step 6: Final answer
x = 185,627.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.