Finding the Fourth Proportional to 194,395.84, 268,316.30 and 126,582.08
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Solution
The fourth proportional to 194,395.84, 268,316.30 and 126,582.08 is: 174,715.85
Step by Step Solution
- Step 1: Write the proportion equation
194,395.84 : 268,316.30 = 126,582.08 : x - Step 2: Convert to fraction form
194,395.84/268,316.30 = 126,582.08/x - Step 3: Cross multiply
194,395.84x = 268,316.30 × 126,582.08 - Step 4: Simplify right side
194,395.84x = 33,964,035,351.90 - Step 5: Solve for x
x = 33,964,035,351.90/194,395.84 - Step 6: Final answer
x = 174,715.85
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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.