Finding the Fourth Proportional to 164,559.70, 246,742.35 and 85,827.70
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Solution
The fourth proportional to 164,559.70, 246,742.35 and 85,827.70 is: 128,690.85
Step by Step Solution
- Step 1: Write the proportion equation
164,559.70 : 246,742.35 = 85,827.70 : x - Step 2: Convert to fraction form
164,559.70/246,742.35 = 85,827.70/x - Step 3: Cross multiply
164,559.70x = 246,742.35 × 85,827.70 - Step 4: Simplify right side
164,559.70x = 21,177,328,393.10 - Step 5: Solve for x
x = 21,177,328,393.10/164,559.70 - Step 6: Final answer
x = 128,690.85
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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.