Finding the Fourth Proportional to 369,494.13, 509,902.05 and 199,728.26
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Solution
The fourth proportional to 369,494.13, 509,902.05 and 199,728.26 is: 275,625.07
Step by Step Solution
- Step 1: Write the proportion equation
369,494.13 : 509,902.05 = 199,728.26 : x - Step 2: Convert to fraction form
369,494.13/509,902.05 = 199,728.26/x - Step 3: Cross multiply
369,494.13x = 509,902.05 × 199,728.26 - Step 4: Simplify right side
369,494.13x = 101,841,846,667.42 - Step 5: Solve for x
x = 101,841,846,667.42/369,494.13 - Step 6: Final answer
x = 275,625.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.