Finding the Fourth Proportional to 281,104.16, 421,712.67 and 103,612.10
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Solution
The fourth proportional to 281,104.16, 421,712.67 and 103,612.10 is: 155,438.95
Step by Step Solution
- Step 1: Write the proportion equation
281,104.16 : 421,712.67 = 103,612.10 : x - Step 2: Convert to fraction form
281,104.16/421,712.67 = 103,612.10/x - Step 3: Cross multiply
281,104.16x = 421,712.67 × 103,612.10 - Step 4: Simplify right side
281,104.16x = 43,694,535,335.31 - Step 5: Solve for x
x = 43,694,535,335.31/281,104.16 - Step 6: Final answer
x = 155,438.95
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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.