Finding the Fourth Proportional to 251,482,512.70, 377,223,769.05 and 239,578,234.30
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Solution
The fourth proportional to 251,482,512.70, 377,223,769.05 and 239,578,234.30 is: 359,367,351.45
Step by Step Solution
- Step 1: Write the proportion equation
251,482,512.70 : 377,223,769.05 = 239,578,234.30 : x - Step 2: Convert to fraction form
251,482,512.70/377,223,769.05 = 239,578,234.30/x - Step 3: Cross multiply
251,482,512.70x = 377,223,769.05 × 239,578,234.30 - Step 4: Simplify right side
251,482,512.70x = 90,374,604,524,990,000 - Step 5: Solve for x
x = 90,374,604,524,990,000/251,482,512.70 - Step 6: Final answer
x = 359,367,351.45
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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.