Finding the Fourth Proportional to 210,197.97, 290,079.36 and 114,710.81
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Solution
The fourth proportional to 210,197.97, 290,079.36 and 114,710.81 is: 158,304.27
Step by Step Solution
- Step 1: Write the proportion equation
210,197.97 : 290,079.36 = 114,710.81 : x - Step 2: Convert to fraction form
210,197.97/290,079.36 = 114,710.81/x - Step 3: Cross multiply
210,197.97x = 290,079.36 × 114,710.81 - Step 4: Simplify right side
210,197.97x = 33,275,236,899.48 - Step 5: Solve for x
x = 33,275,236,899.48/210,197.97 - Step 6: Final answer
x = 158,304.27
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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.