Finding the Fourth Proportional to 194,230,279.80, 291,345,419.70 and 185,272,327.80
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Solution
The fourth proportional to 194,230,279.80, 291,345,419.70 and 185,272,327.80 is: 277,908,491.70
Step by Step Solution
- Step 1: Write the proportion equation
194,230,279.80 : 291,345,419.70 = 185,272,327.80 : x - Step 2: Convert to fraction form
194,230,279.80/291,345,419.70 = 185,272,327.80/x - Step 3: Cross multiply
194,230,279.80x = 291,345,419.70 × 185,272,327.80 - Step 4: Simplify right side
194,230,279.80x = 53,978,244,101,686,976 - Step 5: Solve for x
x = 53,978,244,101,686,976/194,230,279.80 - Step 6: Final answer
x = 277,908,491.70
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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.