Finding the Fourth Proportional to 251,423.68, 347,038.20 and 149,520.82
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Solution
The fourth proportional to 251,423.68, 347,038.20 and 149,520.82 is: 206,382.45
Step by Step Solution
- Step 1: Write the proportion equation
251,423.68 : 347,038.20 = 149,520.82 : x - Step 2: Convert to fraction form
251,423.68/347,038.20 = 149,520.82/x - Step 3: Cross multiply
251,423.68x = 347,038.20 × 149,520.82 - Step 4: Simplify right side
251,423.68x = 51,889,436,235.32 - Step 5: Solve for x
x = 51,889,436,235.32/251,423.68 - Step 6: Final answer
x = 206,382.45
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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.