Finding the Fourth Proportional to 281,060.99, 387,854.43 and 160,241.19
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Solution
The fourth proportional to 281,060.99, 387,854.43 and 160,241.19 is: 221,127.28
Step by Step Solution
- Step 1: Write the proportion equation
281,060.99 : 387,854.43 = 160,241.19 : x - Step 2: Convert to fraction form
281,060.99/387,854.43 = 160,241.19/x - Step 3: Cross multiply
281,060.99x = 387,854.43 × 160,241.19 - Step 4: Simplify right side
281,060.99x = 62,150,253,354.61 - Step 5: Solve for x
x = 62,150,253,354.61/281,060.99 - Step 6: Final answer
x = 221,127.28
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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.