Finding the Fourth Proportional to 103,466.40, 155,201.28 and 33,346.08
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Solution
The fourth proportional to 103,466.40, 155,201.28 and 33,346.08 is: 50,019.66
Step by Step Solution
- Step 1: Write the proportion equation
103,466.40 : 155,201.28 = 33,346.08 : x - Step 2: Convert to fraction form
103,466.40/155,201.28 = 33,346.08/x - Step 3: Cross multiply
103,466.40x = 155,201.28 × 33,346.08 - Step 4: Simplify right side
103,466.40x = 5,175,354,298.98 - Step 5: Solve for x
x = 5,175,354,298.98/103,466.40 - Step 6: Final answer
x = 50,019.66
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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.