Finding the Fourth Proportional to 209,423.88, 288,875.36 and 182,630.70
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Solution
The fourth proportional to 209,423.88, 288,875.36 and 182,630.70 is: 251,917.35
Step by Step Solution
- Step 1: Write the proportion equation
209,423.88 : 288,875.36 = 182,630.70 : x - Step 2: Convert to fraction form
209,423.88/288,875.36 = 182,630.70/x - Step 3: Cross multiply
209,423.88x = 288,875.36 × 182,630.70 - Step 4: Simplify right side
209,423.88x = 52,757,509,666.13 - Step 5: Solve for x
x = 52,757,509,666.13/209,423.88 - Step 6: Final answer
x = 251,917.35
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1.5x scale
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.