Finding the Fourth Proportional to 134,650.36, 185,809.02 and 74,217.66
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Solution
The fourth proportional to 134,650.36, 185,809.02 and 74,217.66 is: 102,415.70
Step by Step Solution
- Step 1: Write the proportion equation
134,650.36 : 185,809.02 = 74,217.66 : x - Step 2: Convert to fraction form
134,650.36/185,809.02 = 74,217.66/x - Step 3: Cross multiply
134,650.36x = 185,809.02 × 74,217.66 - Step 4: Simplify right side
134,650.36x = 13,790,310,671.29 - Step 5: Solve for x
x = 13,790,310,671.29/134,650.36 - Step 6: Final answer
x = 102,415.70
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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.