Finding the Fourth Proportional to 145,218.02, 217,742.41 and 56,367.70
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Solution
The fourth proportional to 145,218.02, 217,742.41 and 56,367.70 is: 84,518.70
Step by Step Solution
- Step 1: Write the proportion equation
145,218.02 : 217,742.41 = 56,367.70 : x - Step 2: Convert to fraction form
145,218.02/217,742.41 = 56,367.70/x - Step 3: Cross multiply
145,218.02x = 217,742.41 × 56,367.70 - Step 4: Simplify right side
145,218.02x = 12,273,638,370.26 - Step 5: Solve for x
x = 12,273,638,370.26/145,218.02 - Step 6: Final answer
x = 84,518.70
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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.