Finding the Fourth Proportional to 228,139.75, 342,209.63 and 61,927.75
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Solution
The fourth proportional to 228,139.75, 342,209.63 and 61,927.75 is: 92,891.63
Step by Step Solution
- Step 1: Write the proportion equation
228,139.75 : 342,209.63 = 61,927.75 : x - Step 2: Convert to fraction form
228,139.75/342,209.63 = 61,927.75/x - Step 3: Cross multiply
228,139.75x = 342,209.63 × 61,927.75 - Step 4: Simplify right side
228,139.75x = 21,192,272,414.23 - Step 5: Solve for x
x = 21,192,272,414.23/228,139.75 - Step 6: Final answer
x = 92,891.63
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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.