Finding the Fourth Proportional to 134,903.40, 202,484.70 and 68,418.60
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Solution
The fourth proportional to 134,903.40, 202,484.70 and 68,418.60 is: 102,693.63
Step by Step Solution
- Step 1: Write the proportion equation
134,903.40 : 202,484.70 = 68,418.60 : x - Step 2: Convert to fraction form
134,903.40/202,484.70 = 68,418.60/x - Step 3: Cross multiply
134,903.40x = 202,484.70 × 68,418.60 - Step 4: Simplify right side
134,903.40x = 13,853,719,695.42 - Step 5: Solve for x
x = 13,853,719,695.42/134,903.40 - Step 6: Final answer
x = 102,693.63
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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.