Finding the Fourth Proportional to 291,809.70, 437,714.55 and 125,597.70
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Solution
The fourth proportional to 291,809.70, 437,714.55 and 125,597.70 is: 188,396.55
Step by Step Solution
- Step 1: Write the proportion equation
291,809.70 : 437,714.55 = 125,597.70 : x - Step 2: Convert to fraction form
291,809.70/437,714.55 = 125,597.70/x - Step 3: Cross multiply
291,809.70x = 437,714.55 × 125,597.70 - Step 4: Simplify right side
291,809.70x = 54,975,940,736.54 - Step 5: Solve for x
x = 54,975,940,736.54/291,809.70 - Step 6: Final answer
x = 188,396.55
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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.