Finding the Fourth Proportional to 218,422.26, 301,432.42 and 122,935.14
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Solution
The fourth proportional to 218,422.26, 301,432.42 and 122,935.14 is: 169,655.95
Step by Step Solution
- Step 1: Write the proportion equation
218,422.26 : 301,432.42 = 122,935.14 : x - Step 2: Convert to fraction form
218,422.26/301,432.42 = 122,935.14/x - Step 3: Cross multiply
218,422.26x = 301,432.42 × 122,935.14 - Step 4: Simplify right side
218,422.26x = 37,056,636,753.24 - Step 5: Solve for x
x = 37,056,636,753.24/218,422.26 - Step 6: Final answer
x = 169,655.95
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1.5x scale
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.