Finding the Fourth Proportional to 194,395.40, 268,233.17 and 108,335.58
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Solution
The fourth proportional to 194,395.40, 268,233.17 and 108,335.58 is: 149,485.00
Step by Step Solution
- Step 1: Write the proportion equation
194,395.40 : 268,233.17 = 108,335.58 : x - Step 2: Convert to fraction form
194,395.40/268,233.17 = 108,335.58/x - Step 3: Cross multiply
194,395.40x = 268,233.17 × 108,335.58 - Step 4: Simplify right side
194,395.40x = 29,059,196,047.19 - Step 5: Solve for x
x = 29,059,196,047.19/194,395.40 - Step 6: Final answer
x = 149,485.00
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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.