Finding the Fourth Proportional to 204,325.40, 306,475.65 and 97,785.09
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Solution
The fourth proportional to 204,325.40, 306,475.65 and 97,785.09 is: 146,671.67
Step by Step Solution
- Step 1: Write the proportion equation
204,325.40 : 306,475.65 = 97,785.09 : x - Step 2: Convert to fraction form
204,325.40/306,475.65 = 97,785.09/x - Step 3: Cross multiply
204,325.40x = 306,475.65 × 97,785.09 - Step 4: Simplify right side
204,325.40x = 29,968,749,018.06 - Step 5: Solve for x
x = 29,968,749,018.06/204,325.40 - Step 6: Final answer
x = 146,671.67
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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.