Finding the Fourth Proportional to 156,859.68, 216,471.58 and 92,317.26
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Solution
The fourth proportional to 156,859.68, 216,471.58 and 92,317.26 is: 127,400.89
Step by Step Solution
- Step 1: Write the proportion equation
156,859.68 : 216,471.58 = 92,317.26 : x - Step 2: Convert to fraction form
156,859.68/216,471.58 = 92,317.26/x - Step 3: Cross multiply
156,859.68x = 216,471.58 × 92,317.26 - Step 4: Simplify right side
156,859.68x = 19,984,062,902.68 - Step 5: Solve for x
x = 19,984,062,902.68/156,859.68 - Step 6: Final answer
x = 127,400.89
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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.