Finding the Fourth Proportional to 162,493.36, 224,252.28 and 90,880.06
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Solution
The fourth proportional to 162,493.36, 224,252.28 and 90,880.06 is: 125,420.88
Step by Step Solution
- Step 1: Write the proportion equation
162,493.36 : 224,252.28 = 90,880.06 : x - Step 2: Convert to fraction form
162,493.36/224,252.28 = 90,880.06/x - Step 3: Cross multiply
162,493.36x = 224,252.28 × 90,880.06 - Step 4: Simplify right side
162,493.36x = 20,380,060,661.54 - Step 5: Solve for x
x = 20,380,060,661.54/162,493.36 - Step 6: Final answer
x = 125,420.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.