Finding the Fourth Proportional to 118,365.45, 177,548.66 and 29,618.71
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Solution
The fourth proportional to 118,365.45, 177,548.66 and 29,618.71 is: 44,428.19
Step by Step Solution
- Step 1: Write the proportion equation
118,365.45 : 177,548.66 = 29,618.71 : x - Step 2: Convert to fraction form
118,365.45/177,548.66 = 29,618.71/x - Step 3: Cross multiply
118,365.45x = 177,548.66 × 29,618.71 - Step 4: Simplify right side
118,365.45x = 5,258,762,789.24 - Step 5: Solve for x
x = 5,258,762,789.24/118,365.45 - Step 6: Final answer
x = 44,428.19
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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.