Finding the Fourth Proportional to 155,149.44, 232,729.20 and 42,838.08
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Solution
The fourth proportional to 155,149.44, 232,729.20 and 42,838.08 is: 64,258.51
Step by Step Solution
- Step 1: Write the proportion equation
155,149.44 : 232,729.20 = 42,838.08 : x - Step 2: Convert to fraction form
155,149.44/232,729.20 = 42,838.08/x - Step 3: Cross multiply
155,149.44x = 232,729.20 × 42,838.08 - Step 4: Simplify right side
155,149.44x = 9,969,672,087.94 - Step 5: Solve for x
x = 9,969,672,087.94/155,149.44 - Step 6: Final answer
x = 64,258.51
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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.