Finding the Fourth Proportional to 132,289.54, 182,507.94 and 74,915.62
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Solution
The fourth proportional to 132,289.54, 182,507.94 and 74,915.62 is: 103,354.32
Step by Step Solution
- Step 1: Write the proportion equation
132,289.54 : 182,507.94 = 74,915.62 : x - Step 2: Convert to fraction form
132,289.54/182,507.94 = 74,915.62/x - Step 3: Cross multiply
132,289.54x = 182,507.94 × 74,915.62 - Step 4: Simplify right side
132,289.54x = 13,672,695,023.75 - Step 5: Solve for x
x = 13,672,695,023.75/132,289.54 - Step 6: Final answer
x = 103,354.32
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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.