Finding the Fourth Proportional to 320,560.41, 442,397.36 and 182,742.62
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Solution
The fourth proportional to 320,560.41, 442,397.36 and 182,742.62 is: 252,198.49
Step by Step Solution
- Step 1: Write the proportion equation
320,560.41 : 442,397.36 = 182,742.62 : x - Step 2: Convert to fraction form
320,560.41/442,397.36 = 182,742.62/x - Step 3: Cross multiply
320,560.41x = 442,397.36 × 182,742.62 - Step 4: Simplify right side
320,560.41x = 80,844,852,647.48 - Step 5: Solve for x
x = 80,844,852,647.48/320,560.41 - Step 6: Final answer
x = 252,198.49
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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.