Finding the Fourth Proportional to 281,177.19, 421,767.41 and 114,965.19
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Solution
The fourth proportional to 281,177.19, 421,767.41 and 114,965.19 is: 172,448.45
Step by Step Solution
- Step 1: Write the proportion equation
281,177.19 : 421,767.41 = 114,965.19 : x - Step 2: Convert to fraction form
281,177.19/421,767.41 = 114,965.19/x - Step 3: Cross multiply
281,177.19x = 421,767.41 × 114,965.19 - Step 4: Simplify right side
281,177.19x = 48,488,569,851.63 - Step 5: Solve for x
x = 48,488,569,851.63/281,177.19 - Step 6: Final answer
x = 172,448.45
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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.