Finding the Fourth Proportional to 194,230,198.80, 291,345,298.20 and 185,272,246.80
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Solution
The fourth proportional to 194,230,198.80, 291,345,298.20 and 185,272,246.80 is: 277,908,370.20
Step by Step Solution
- Step 1: Write the proportion equation
194,230,198.80 : 291,345,298.20 = 185,272,246.80 : x - Step 2: Convert to fraction form
194,230,198.80/291,345,298.20 = 185,272,246.80/x - Step 3: Cross multiply
194,230,198.80x = 291,345,298.20 × 185,272,246.80 - Step 4: Simplify right side
194,230,198.80x = 53,978,197,992,130,000 - Step 5: Solve for x
x = 53,978,197,992,130,000/194,230,198.80 - Step 6: Final answer
x = 277,908,370.20
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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.