Finding the Fourth Proportional to 458,540.40, 687,930.08 and 174,236.08
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Solution
The fourth proportional to 458,540.40, 687,930.08 and 174,236.08 is: 261,399.52
Step by Step Solution
- Step 1: Write the proportion equation
458,540.40 : 687,930.08 = 174,236.08 : x - Step 2: Convert to fraction form
458,540.40/687,930.08 = 174,236.08/x - Step 3: Cross multiply
458,540.40x = 687,930.08 × 174,236.08 - Step 4: Simplify right side
458,540.40x = 119,862,240,453.29 - Step 5: Solve for x
x = 119,862,240,453.29/458,540.40 - Step 6: Final answer
x = 261,399.52
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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.