Finding the Fourth Proportional to 404,665.70, 606,998.55 and 194,713.70
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Solution
The fourth proportional to 404,665.70, 606,998.55 and 194,713.70 is: 292,070.55
Step by Step Solution
- Step 1: Write the proportion equation
404,665.70 : 606,998.55 = 194,713.70 : x - Step 2: Convert to fraction form
404,665.70/606,998.55 = 194,713.70/x - Step 3: Cross multiply
404,665.70x = 606,998.55 × 194,713.70 - Step 4: Simplify right side
404,665.70x = 118,190,933,565.14 - Step 5: Solve for x
x = 118,190,933,565.14/404,665.70 - Step 6: Final answer
x = 292,070.55
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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.