Finding the Fourth Proportional to 281,313.73, 421,678.99 and 175,890.61
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Solution
The fourth proportional to 281,313.73, 421,678.99 and 175,890.61 is: 263,653.59
Step by Step Solution
- Step 1: Write the proportion equation
281,313.73 : 421,678.99 = 175,890.61 : x - Step 2: Convert to fraction form
281,313.73/421,678.99 = 175,890.61/x - Step 3: Cross multiply
281,313.73x = 421,678.99 × 175,890.61 - Step 4: Simplify right side
281,313.73x = 74,169,374,775.28 - Step 5: Solve for x
x = 74,169,374,775.28/281,313.73 - Step 6: Final answer
x = 263,653.59
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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.