Finding the Fourth Proportional to 173,606.40, 239,575.68 and 98,155.20
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Solution
The fourth proportional to 173,606.40, 239,575.68 and 98,155.20 is: 135,453.52
Step by Step Solution
- Step 1: Write the proportion equation
173,606.40 : 239,575.68 = 98,155.20 : x - Step 2: Convert to fraction form
173,606.40/239,575.68 = 98,155.20/x - Step 3: Cross multiply
173,606.40x = 239,575.68 × 98,155.20 - Step 4: Simplify right side
173,606.40x = 23,515,598,785.54 - Step 5: Solve for x
x = 23,515,598,785.54/173,606.40 - Step 6: Final answer
x = 135,453.52
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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.