Finding the Fourth Proportional to 281,029.06, 421,565.58 and 81,352.44
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Solution
The fourth proportional to 281,029.06, 421,565.58 and 81,352.44 is: 122,035.03
Step by Step Solution
- Step 1: Write the proportion equation
281,029.06 : 421,565.58 = 81,352.44 : x - Step 2: Convert to fraction form
281,029.06/421,565.58 = 81,352.44/x - Step 3: Cross multiply
281,029.06x = 421,565.58 × 81,352.44 - Step 4: Simplify right side
281,029.06x = 34,295,388,553.02 - Step 5: Solve for x
x = 34,295,388,553.02/281,029.06 - Step 6: Final answer
x = 122,035.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.