Finding the Fourth Proportional to 262,224,135.20, 393,336,202.80 and 160,187,463.20
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Solution
The fourth proportional to 262,224,135.20, 393,336,202.80 and 160,187,463.20 is: 240,281,194.80
Step by Step Solution
- Step 1: Write the proportion equation
262,224,135.20 : 393,336,202.80 = 160,187,463.20 : x - Step 2: Convert to fraction form
262,224,135.20/393,336,202.80 = 160,187,463.20/x - Step 3: Cross multiply
262,224,135.20x = 393,336,202.80 × 160,187,463.20 - Step 4: Simplify right side
262,224,135.20x = 63,007,528,511,252,736 - Step 5: Solve for x
x = 63,007,528,511,252,736/262,224,135.20 - Step 6: Final answer
x = 240,281,194.80
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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.