Finding the Fourth Proportional to 281,032.08, 421,570.08 and 81,355.44
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Solution
The fourth proportional to 281,032.08, 421,570.08 and 81,355.44 is: 122,039.52
Step by Step Solution
- Step 1: Write the proportion equation
281,032.08 : 421,570.08 = 81,355.44 : x - Step 2: Convert to fraction form
281,032.08/421,570.08 = 81,355.44/x - Step 3: Cross multiply
281,032.08x = 421,570.08 × 81,355.44 - Step 4: Simplify right side
281,032.08x = 34,297,019,349.24 - Step 5: Solve for x
x = 34,297,019,349.24/281,032.08 - Step 6: Final answer
x = 122,039.52
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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.