Finding the Fourth Proportional to 787,181.04, 1,180,684.08 and 281,721.60
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Solution
The fourth proportional to 787,181.04, 1,180,684.08 and 281,721.60 is: 422,551.09
Step by Step Solution
- Step 1: Write the proportion equation
787,181.04 : 1,180,684.08 = 281,721.60 : x - Step 2: Convert to fraction form
787,181.04/1,180,684.08 = 281,721.60/x - Step 3: Cross multiply
787,181.04x = 1,180,684.08 × 281,721.60 - Step 4: Simplify right side
787,181.04x = 332,624,208,112.13 - Step 5: Solve for x
x = 332,624,208,112.13/787,181.04 - Step 6: Final answer
x = 422,551.09
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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.