Finding the Fourth Proportional to 145,205.92, 217,752.48 and 56,447.68
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Solution
The fourth proportional to 145,205.92, 217,752.48 and 56,447.68 is: 84,649.59
Step by Step Solution
- Step 1: Write the proportion equation
145,205.92 : 217,752.48 = 56,447.68 : x - Step 2: Convert to fraction form
145,205.92/217,752.48 = 56,447.68/x - Step 3: Cross multiply
145,205.92x = 217,752.48 × 56,447.68 - Step 4: Simplify right side
145,205.92x = 12,291,622,310.25 - Step 5: Solve for x
x = 12,291,622,310.25/145,205.92 - Step 6: Final answer
x = 84,649.59
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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.