Finding the Fourth Proportional to 378,023.80, 567,035.70 and 259,925.80
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Solution
The fourth proportional to 378,023.80, 567,035.70 and 259,925.80 is: 389,888.70
Step by Step Solution
- Step 1: Write the proportion equation
378,023.80 : 567,035.70 = 259,925.80 : x - Step 2: Convert to fraction form
378,023.80/567,035.70 = 259,925.80/x - Step 3: Cross multiply
378,023.80x = 567,035.70 × 259,925.80 - Step 4: Simplify right side
378,023.80x = 147,387,207,951.06 - Step 5: Solve for x
x = 147,387,207,951.06/378,023.80 - Step 6: Final answer
x = 389,888.70
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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.