Finding the Fourth Proportional to 252,195.40, 377,855.70 and 163,403.20
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Solution
The fourth proportional to 252,195.40, 377,855.70 and 163,403.20 is: 244,821.40
Step by Step Solution
- Step 1: Write the proportion equation
252,195.40 : 377,855.70 = 163,403.20 : x - Step 2: Convert to fraction form
252,195.40/377,855.70 = 163,403.20/x - Step 3: Cross multiply
252,195.40x = 377,855.70 × 163,403.20 - Step 4: Simplify right side
252,195.40x = 61,742,830,518.24 - Step 5: Solve for x
x = 61,742,830,518.24/252,195.40 - Step 6: Final answer
x = 244,821.40
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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.