Finding the Fourth Proportional to 278,081,245.58, 416,887,276.58 and 228,899,526.08
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Solution
The fourth proportional to 278,081,245.58, 416,887,276.58 and 228,899,526.08 is: 343,156,187.46
Step by Step Solution
- Step 1: Write the proportion equation
278,081,245.58 : 416,887,276.58 = 228,899,526.08 : x - Step 2: Convert to fraction form
278,081,245.58/416,887,276.58 = 228,899,526.08/x - Step 3: Cross multiply
278,081,245.58x = 416,887,276.58 × 228,899,526.08 - Step 4: Simplify right side
278,081,245.58x = 95,425,300,036,859,744 - Step 5: Solve for x
x = 95,425,300,036,859,744/278,081,245.58 - Step 6: Final answer
x = 343,156,187.46
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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.