Finding the Fourth Proportional to 122,433.30, 183,649.95 and 108,655.20
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Solution
The fourth proportional to 122,433.30, 183,649.95 and 108,655.20 is: 162,982.80
Step by Step Solution
- Step 1: Write the proportion equation
122,433.30 : 183,649.95 = 108,655.20 : x - Step 2: Convert to fraction form
122,433.30/183,649.95 = 108,655.20/x - Step 3: Cross multiply
122,433.30x = 183,649.95 × 108,655.20 - Step 4: Simplify right side
122,433.30x = 19,954,522,047.24 - Step 5: Solve for x
x = 19,954,522,047.24/122,433.30 - Step 6: Final answer
x = 162,982.80
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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.