Finding the Fourth Proportional to 194,701.04, 268,809.07 and 149,291.79
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Solution
The fourth proportional to 194,701.04, 268,809.07 and 149,291.79 is: 206,115.94
Step by Step Solution
- Step 1: Write the proportion equation
194,701.04 : 268,809.07 = 149,291.79 : x - Step 2: Convert to fraction form
194,701.04/268,809.07 = 149,291.79/x - Step 3: Cross multiply
194,701.04x = 268,809.07 × 149,291.79 - Step 4: Simplify right side
194,701.04x = 40,130,987,228.54 - Step 5: Solve for x
x = 40,130,987,228.54/194,701.04 - Step 6: Final answer
x = 206,115.94
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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.