Finding the Fourth Proportional to 175,423.80, 263,135.70 and 140,431.80
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Solution
The fourth proportional to 175,423.80, 263,135.70 and 140,431.80 is: 210,647.70
Step by Step Solution
- Step 1: Write the proportion equation
175,423.80 : 263,135.70 = 140,431.80 : x - Step 2: Convert to fraction form
175,423.80/263,135.70 = 140,431.80/x - Step 3: Cross multiply
175,423.80x = 263,135.70 × 140,431.80 - Step 4: Simplify right side
175,423.80x = 36,952,619,995.26 - Step 5: Solve for x
x = 36,952,619,995.26/175,423.80 - Step 6: Final answer
x = 210,647.70
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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.