Finding the Fourth Proportional to 281,317.74, 421,684.98 and 175,894.62
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Solution
The fourth proportional to 281,317.74, 421,684.98 and 175,894.62 is: 263,659.59
Step by Step Solution
- Step 1: Write the proportion equation
281,317.74 : 421,684.98 = 175,894.62 : x - Step 2: Convert to fraction form
281,317.74/421,684.98 = 175,894.62/x - Step 3: Cross multiply
281,317.74x = 421,684.98 × 175,894.62 - Step 4: Simplify right side
281,317.74x = 74,172,119,316.81 - Step 5: Solve for x
x = 74,172,119,316.81/281,317.74 - Step 6: Final answer
x = 263,659.59
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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.